Home / 8,740.35-12,060.77-5,203.08

Finding the Fourth Proportional to 8,740.35, 12,060.77 and 5,203.08

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Solution

The fourth proportional to 8,740.35, 12,060.77 and 5,203.08 is: 7,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.35 : 12,060.77 = 5,203.08 : x
  2. Step 2: Convert to fraction form
    8,740.35/12,060.77 = 5,203.08/x
  3. Step 3: Cross multiply
    8,740.35x = 12,060.77 × 5,203.08
  4. Step 4: Simplify right side
    8,740.35x = 62,753,125.16
  5. Step 5: Solve for x
    x = 62,753,125.16/8,740.35
  6. Step 6: Final answer
    x = 7,179.70

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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.