Home / 11,425.49-15,772.29-6,710.07

Finding the Fourth Proportional to 11,425.49, 15,772.29 and 6,710.07

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Solution

The fourth proportional to 11,425.49, 15,772.29 and 6,710.07 is: 9,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.49 : 15,772.29 = 6,710.07 : x
  2. Step 2: Convert to fraction form
    11,425.49/15,772.29 = 6,710.07/x
  3. Step 3: Cross multiply
    11,425.49x = 15,772.29 × 6,710.07
  4. Step 4: Simplify right side
    11,425.49x = 105,833,169.96
  5. Step 5: Solve for x
    x = 105,833,169.96/11,425.49
  6. Step 6: Final answer
    x = 9,262.90

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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.