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Finding the Fourth Proportional to 8,355.95, 12,514.14 and 7,254.32

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Solution

The fourth proportional to 8,355.95, 12,514.14 and 7,254.32 is: 10,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.95 : 12,514.14 = 7,254.32 : x
  2. Step 2: Convert to fraction form
    8,355.95/12,514.14 = 7,254.32/x
  3. Step 3: Cross multiply
    8,355.95x = 12,514.14 × 7,254.32
  4. Step 4: Simplify right side
    8,355.95x = 90,781,576.08
  5. Step 5: Solve for x
    x = 90,781,576.08/8,355.95
  6. Step 6: Final answer
    x = 10,864.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.