Home / 11,746.49-16,209.38-6,440.24

Finding the Fourth Proportional to 11,746.49, 16,209.38 and 6,440.24

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Solution

The fourth proportional to 11,746.49, 16,209.38 and 6,440.24 is: 8,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.49 : 16,209.38 = 6,440.24 : x
  2. Step 2: Convert to fraction form
    11,746.49/16,209.38 = 6,440.24/x
  3. Step 3: Cross multiply
    11,746.49x = 16,209.38 × 6,440.24
  4. Step 4: Simplify right side
    11,746.49x = 104,392,354.08
  5. Step 5: Solve for x
    x = 104,392,354.08/11,746.49
  6. Step 6: Final answer
    x = 8,887.11

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Half scale
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Double scale
Find fourth proportional to 11,747.49, 16,210.76 and 6,441.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.