Home / 9,337.64-12,885.40-5,358.38

Finding the Fourth Proportional to 9,337.64, 12,885.40 and 5,358.38

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Solution

The fourth proportional to 9,337.64, 12,885.40 and 5,358.38 is: 7,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.64 : 12,885.40 = 5,358.38 : x
  2. Step 2: Convert to fraction form
    9,337.64/12,885.40 = 5,358.38/x
  3. Step 3: Cross multiply
    9,337.64x = 12,885.40 × 5,358.38
  4. Step 4: Simplify right side
    9,337.64x = 69,044,869.65
  5. Step 5: Solve for x
    x = 69,044,869.65/9,337.64
  6. Step 6: Final answer
    x = 7,394.25

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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.