Home / 9,337.20-12,886.47-5,358.48

Finding the Fourth Proportional to 9,337.20, 12,886.47 and 5,358.48

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Solution

The fourth proportional to 9,337.20, 12,886.47 and 5,358.48 is: 7,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.20 : 12,886.47 = 5,358.48 : x
  2. Step 2: Convert to fraction form
    9,337.20/12,886.47 = 5,358.48/x
  3. Step 3: Cross multiply
    9,337.20x = 12,886.47 × 5,358.48
  4. Step 4: Simplify right side
    9,337.20x = 69,051,891.77
  5. Step 5: Solve for x
    x = 69,051,891.77/9,337.20
  6. Step 6: Final answer
    x = 7,395.35

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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.