Home / 8,125.12-12,176.48-4,655.04

Finding the Fourth Proportional to 8,125.12, 12,176.48 and 4,655.04

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Solution

The fourth proportional to 8,125.12, 12,176.48 and 4,655.04 is: 6,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.12 : 12,176.48 = 4,655.04 : x
  2. Step 2: Convert to fraction form
    8,125.12/12,176.48 = 4,655.04/x
  3. Step 3: Cross multiply
    8,125.12x = 12,176.48 × 4,655.04
  4. Step 4: Simplify right side
    8,125.12x = 56,682,001.46
  5. Step 5: Solve for x
    x = 56,682,001.46/8,125.12
  6. Step 6: Final answer
    x = 6,976.14

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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.