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Finding the Fourth Proportional to 12,752.62, 17,602.08 and 8,276.10

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Solution

The fourth proportional to 12,752.62, 17,602.08 and 8,276.10 is: 11,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.62 : 17,602.08 = 8,276.10 : x
  2. Step 2: Convert to fraction form
    12,752.62/17,602.08 = 8,276.10/x
  3. Step 3: Cross multiply
    12,752.62x = 17,602.08 × 8,276.10
  4. Step 4: Simplify right side
    12,752.62x = 145,676,477.24
  5. Step 5: Solve for x
    x = 145,676,477.24/12,752.62
  6. Step 6: Final answer
    x = 11,423.26

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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.