Home / 11,312.58-15,614.33-6,346.18

Finding the Fourth Proportional to 11,312.58, 15,614.33 and 6,346.18

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Solution

The fourth proportional to 11,312.58, 15,614.33 and 6,346.18 is: 8,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.58 : 15,614.33 = 6,346.18 : x
  2. Step 2: Convert to fraction form
    11,312.58/15,614.33 = 6,346.18/x
  3. Step 3: Cross multiply
    11,312.58x = 15,614.33 × 6,346.18
  4. Step 4: Simplify right side
    11,312.58x = 99,091,348.76
  5. Step 5: Solve for x
    x = 99,091,348.76/11,312.58
  6. Step 6: Final answer
    x = 8,759.39

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Half scale
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Double scale
Find fourth proportional to 11,313.58, 15,615.71 and 6,347.18
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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.