Home / 10,966.93-15,124.80-7,773.91

Finding the Fourth Proportional to 10,966.93, 15,124.80 and 7,773.91

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Solution

The fourth proportional to 10,966.93, 15,124.80 and 7,773.91 is: 10,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.93 : 15,124.80 = 7,773.91 : x
  2. Step 2: Convert to fraction form
    10,966.93/15,124.80 = 7,773.91/x
  3. Step 3: Cross multiply
    10,966.93x = 15,124.80 × 7,773.91
  4. Step 4: Simplify right side
    10,966.93x = 117,578,833.97
  5. Step 5: Solve for x
    x = 117,578,833.97/10,966.93
  6. Step 6: Final answer
    x = 10,721.22

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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.