Home / 9,687.02-13,367.68-5,708.30

Finding the Fourth Proportional to 9,687.02, 13,367.68 and 5,708.30

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Solution

The fourth proportional to 9,687.02, 13,367.68 and 5,708.30 is: 7,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.02 : 13,367.68 = 5,708.30 : x
  2. Step 2: Convert to fraction form
    9,687.02/13,367.68 = 5,708.30/x
  3. Step 3: Cross multiply
    9,687.02x = 13,367.68 × 5,708.30
  4. Step 4: Simplify right side
    9,687.02x = 76,306,727.74
  5. Step 5: Solve for x
    x = 76,306,727.74/9,687.02
  6. Step 6: Final answer
    x = 7,877.21

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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.