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Finding the Fourth Proportional to 10,863.04, 14,994.85 and 6,612.16

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Solution

The fourth proportional to 10,863.04, 14,994.85 and 6,612.16 is: 9,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.04 : 14,994.85 = 6,612.16 : x
  2. Step 2: Convert to fraction form
    10,863.04/14,994.85 = 6,612.16/x
  3. Step 3: Cross multiply
    10,863.04x = 14,994.85 × 6,612.16
  4. Step 4: Simplify right side
    10,863.04x = 99,148,347.38
  5. Step 5: Solve for x
    x = 99,148,347.38/10,863.04
  6. Step 6: Final answer
    x = 9,127.13

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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.