Home / 9,766.88-13,478.20-5,575.13

Finding the Fourth Proportional to 9,766.88, 13,478.20 and 5,575.13

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Solution

The fourth proportional to 9,766.88, 13,478.20 and 5,575.13 is: 7,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.88 : 13,478.20 = 5,575.13 : x
  2. Step 2: Convert to fraction form
    9,766.88/13,478.20 = 5,575.13/x
  3. Step 3: Cross multiply
    9,766.88x = 13,478.20 × 5,575.13
  4. Step 4: Simplify right side
    9,766.88x = 75,142,686.38
  5. Step 5: Solve for x
    x = 75,142,686.38/9,766.88
  6. Step 6: Final answer
    x = 7,693.62

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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.