Home / 10,332.10-15,530.55-9,748.90

Finding the Fourth Proportional to 10,332.10, 15,530.55 and 9,748.90

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Solution

The fourth proportional to 10,332.10, 15,530.55 and 9,748.90 is: 14,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.10 : 15,530.55 = 9,748.90 : x
  2. Step 2: Convert to fraction form
    10,332.10/15,530.55 = 9,748.90/x
  3. Step 3: Cross multiply
    10,332.10x = 15,530.55 × 9,748.90
  4. Step 4: Simplify right side
    10,332.10x = 151,405,778.90
  5. Step 5: Solve for x
    x = 151,405,778.90/10,332.10
  6. Step 6: Final answer
    x = 14,653.92

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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.