Home / 10,963.76-15,129.99-6,248.07

Finding the Fourth Proportional to 10,963.76, 15,129.99 and 6,248.07

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Solution

The fourth proportional to 10,963.76, 15,129.99 and 6,248.07 is: 8,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.76 : 15,129.99 = 6,248.07 : x
  2. Step 2: Convert to fraction form
    10,963.76/15,129.99 = 6,248.07/x
  3. Step 3: Cross multiply
    10,963.76x = 15,129.99 × 6,248.07
  4. Step 4: Simplify right side
    10,963.76x = 94,533,236.62
  5. Step 5: Solve for x
    x = 94,533,236.62/10,963.76
  6. Step 6: Final answer
    x = 8,622.34

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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.