Home / 9,337.52-12,886.23-5,145.77

Finding the Fourth Proportional to 9,337.52, 12,886.23 and 5,145.77

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Solution

The fourth proportional to 9,337.52, 12,886.23 and 5,145.77 is: 7,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.52 : 12,886.23 = 5,145.77 : x
  2. Step 2: Convert to fraction form
    9,337.52/12,886.23 = 5,145.77/x
  3. Step 3: Cross multiply
    9,337.52x = 12,886.23 × 5,145.77
  4. Step 4: Simplify right side
    9,337.52x = 66,309,575.75
  5. Step 5: Solve for x
    x = 66,309,575.75/9,337.52
  6. Step 6: Final answer
    x = 7,101.41

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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.