Home / 9,370.52-12,931.16-5,121.48

Finding the Fourth Proportional to 9,370.52, 12,931.16 and 5,121.48

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Solution

The fourth proportional to 9,370.52, 12,931.16 and 5,121.48 is: 7,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.52 : 12,931.16 = 5,121.48 : x
  2. Step 2: Convert to fraction form
    9,370.52/12,931.16 = 5,121.48/x
  3. Step 3: Cross multiply
    9,370.52x = 12,931.16 × 5,121.48
  4. Step 4: Simplify right side
    9,370.52x = 66,226,677.32
  5. Step 5: Solve for x
    x = 66,226,677.32/9,370.52
  6. Step 6: Final answer
    x = 7,067.56

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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.