Home / 8,937.16-12,334.34-5,161.24

Finding the Fourth Proportional to 8,937.16, 12,334.34 and 5,161.24

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Solution

The fourth proportional to 8,937.16, 12,334.34 and 5,161.24 is: 7,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.16 : 12,334.34 = 5,161.24 : x
  2. Step 2: Convert to fraction form
    8,937.16/12,334.34 = 5,161.24/x
  3. Step 3: Cross multiply
    8,937.16x = 12,334.34 × 5,161.24
  4. Step 4: Simplify right side
    8,937.16x = 63,660,488.98
  5. Step 5: Solve for x
    x = 63,660,488.98/8,937.16
  6. Step 6: Final answer
    x = 7,123.12

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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.