Home / 9,651.12-13,319.18-5,402.53

Finding the Fourth Proportional to 9,651.12, 13,319.18 and 5,402.53

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Solution

The fourth proportional to 9,651.12, 13,319.18 and 5,402.53 is: 7,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.12 : 13,319.18 = 5,402.53 : x
  2. Step 2: Convert to fraction form
    9,651.12/13,319.18 = 5,402.53/x
  3. Step 3: Cross multiply
    9,651.12x = 13,319.18 × 5,402.53
  4. Step 4: Simplify right side
    9,651.12x = 71,957,269.53
  5. Step 5: Solve for x
    x = 71,957,269.53/9,651.12
  6. Step 6: Final answer
    x = 7,455.85

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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.