Home / 10,431.24-15,646.84-5,751.04

Finding the Fourth Proportional to 10,431.24, 15,646.84 and 5,751.04

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Solution

The fourth proportional to 10,431.24, 15,646.84 and 5,751.04 is: 8,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.24 : 15,646.84 = 5,751.04 : x
  2. Step 2: Convert to fraction form
    10,431.24/15,646.84 = 5,751.04/x
  3. Step 3: Cross multiply
    10,431.24x = 15,646.84 × 5,751.04
  4. Step 4: Simplify right side
    10,431.24x = 89,985,602.71
  5. Step 5: Solve for x
    x = 89,985,602.71/10,431.24
  6. Step 6: Final answer
    x = 8,626.55

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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.