Home / 10,248.97-14,143.63-5,772.81

Finding the Fourth Proportional to 10,248.97, 14,143.63 and 5,772.81

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Solution

The fourth proportional to 10,248.97, 14,143.63 and 5,772.81 is: 7,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.97 : 14,143.63 = 5,772.81 : x
  2. Step 2: Convert to fraction form
    10,248.97/14,143.63 = 5,772.81/x
  3. Step 3: Cross multiply
    10,248.97x = 14,143.63 × 5,772.81
  4. Step 4: Simplify right side
    10,248.97x = 81,648,488.70
  5. Step 5: Solve for x
    x = 81,648,488.70/10,248.97
  6. Step 6: Final answer
    x = 7,966.51

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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.