Home / 11,750.19-16,215.24-6,445.10

Finding the Fourth Proportional to 11,750.19, 16,215.24 and 6,445.10

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Solution

The fourth proportional to 11,750.19, 16,215.24 and 6,445.10 is: 8,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.19 : 16,215.24 = 6,445.10 : x
  2. Step 2: Convert to fraction form
    11,750.19/16,215.24 = 6,445.10/x
  3. Step 3: Cross multiply
    11,750.19x = 16,215.24 × 6,445.10
  4. Step 4: Simplify right side
    11,750.19x = 104,508,762.25
  5. Step 5: Solve for x
    x = 104,508,762.25/11,750.19
  6. Step 6: Final answer
    x = 8,894.22

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Half scale
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Double scale
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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.