Home / 10,417.20-15,629.40-4,572.96

Finding the Fourth Proportional to 10,417.20, 15,629.40 and 4,572.96

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Solution

The fourth proportional to 10,417.20, 15,629.40 and 4,572.96 is: 6,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.20 : 15,629.40 = 4,572.96 : x
  2. Step 2: Convert to fraction form
    10,417.20/15,629.40 = 4,572.96/x
  3. Step 3: Cross multiply
    10,417.20x = 15,629.40 × 4,572.96
  4. Step 4: Simplify right side
    10,417.20x = 71,472,621.02
  5. Step 5: Solve for x
    x = 71,472,621.02/10,417.20
  6. Step 6: Final answer
    x = 6,861.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.