Home / 12,003.52-16,565.79-6,627.01

Finding the Fourth Proportional to 12,003.52, 16,565.79 and 6,627.01

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Solution

The fourth proportional to 12,003.52, 16,565.79 and 6,627.01 is: 9,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.52 : 16,565.79 = 6,627.01 : x
  2. Step 2: Convert to fraction form
    12,003.52/16,565.79 = 6,627.01/x
  3. Step 3: Cross multiply
    12,003.52x = 16,565.79 × 6,627.01
  4. Step 4: Simplify right side
    12,003.52x = 109,781,655.99
  5. Step 5: Solve for x
    x = 109,781,655.99/12,003.52
  6. Step 6: Final answer
    x = 9,145.79

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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.