Home / 8,941.72-12,337.38-5,357.26

Finding the Fourth Proportional to 8,941.72, 12,337.38 and 5,357.26

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Solution

The fourth proportional to 8,941.72, 12,337.38 and 5,357.26 is: 7,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.72 : 12,337.38 = 5,357.26 : x
  2. Step 2: Convert to fraction form
    8,941.72/12,337.38 = 5,357.26/x
  3. Step 3: Cross multiply
    8,941.72x = 12,337.38 × 5,357.26
  4. Step 4: Simplify right side
    8,941.72x = 66,094,501.83
  5. Step 5: Solve for x
    x = 66,094,501.83/8,941.72
  6. Step 6: Final answer
    x = 7,391.70

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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.