Home / 10,963.81-15,130.25-6,248.17

Finding the Fourth Proportional to 10,963.81, 15,130.25 and 6,248.17

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Solution

The fourth proportional to 10,963.81, 15,130.25 and 6,248.17 is: 8,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.81 : 15,130.25 = 6,248.17 : x
  2. Step 2: Convert to fraction form
    10,963.81/15,130.25 = 6,248.17/x
  3. Step 3: Cross multiply
    10,963.81x = 15,130.25 × 6,248.17
  4. Step 4: Simplify right side
    10,963.81x = 94,536,374.14
  5. Step 5: Solve for x
    x = 94,536,374.14/10,963.81
  6. Step 6: Final answer
    x = 8,622.58

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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.