Home / 12,475.18-18,712.77-3,710.08

Finding the Fourth Proportional to 12,475.18, 18,712.77 and 3,710.08

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Solution

The fourth proportional to 12,475.18, 18,712.77 and 3,710.08 is: 5,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.18 : 18,712.77 = 3,710.08 : x
  2. Step 2: Convert to fraction form
    12,475.18/18,712.77 = 3,710.08/x
  3. Step 3: Cross multiply
    12,475.18x = 18,712.77 × 3,710.08
  4. Step 4: Simplify right side
    12,475.18x = 69,425,873.72
  5. Step 5: Solve for x
    x = 69,425,873.72/12,475.18
  6. Step 6: Final answer
    x = 5,565.12

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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.