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Finding the Fourth Proportional to 11,073.84, 15,280.02 and 6,358.02

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Solution

The fourth proportional to 11,073.84, 15,280.02 and 6,358.02 is: 8,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.84 : 15,280.02 = 6,358.02 : x
  2. Step 2: Convert to fraction form
    11,073.84/15,280.02 = 6,358.02/x
  3. Step 3: Cross multiply
    11,073.84x = 15,280.02 × 6,358.02
  4. Step 4: Simplify right side
    11,073.84x = 97,150,672.76
  5. Step 5: Solve for x
    x = 97,150,672.76/11,073.84
  6. Step 6: Final answer
    x = 8,772.99

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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.