Home / 10,372.08-14,313-5,656.20

Finding the Fourth Proportional to 10,372.08, 14,313 and 5,656.20

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Solution

The fourth proportional to 10,372.08, 14,313 and 5,656.20 is: 7,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.08 : 14,313 = 5,656.20 : x
  2. Step 2: Convert to fraction form
    10,372.08/14,313 = 5,656.20/x
  3. Step 3: Cross multiply
    10,372.08x = 14,313 × 5,656.20
  4. Step 4: Simplify right side
    10,372.08x = 80,957,190.60
  5. Step 5: Solve for x
    x = 80,957,190.60/10,372.08
  6. Step 6: Final answer
    x = 7,805.30

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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.