Home / 9,660.43-13,332.51-5,885.80

Finding the Fourth Proportional to 9,660.43, 13,332.51 and 5,885.80

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Solution

The fourth proportional to 9,660.43, 13,332.51 and 5,885.80 is: 8,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.43 : 13,332.51 = 5,885.80 : x
  2. Step 2: Convert to fraction form
    9,660.43/13,332.51 = 5,885.80/x
  3. Step 3: Cross multiply
    9,660.43x = 13,332.51 × 5,885.80
  4. Step 4: Simplify right side
    9,660.43x = 78,472,487.36
  5. Step 5: Solve for x
    x = 78,472,487.36/9,660.43
  6. Step 6: Final answer
    x = 8,123.08

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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.