Home / 11,331.93-16,921.55-9,256.04

Finding the Fourth Proportional to 11,331.93, 16,921.55 and 9,256.04

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Solution

The fourth proportional to 11,331.93, 16,921.55 and 9,256.04 is: 13,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.93 : 16,921.55 = 9,256.04 : x
  2. Step 2: Convert to fraction form
    11,331.93/16,921.55 = 9,256.04/x
  3. Step 3: Cross multiply
    11,331.93x = 16,921.55 × 9,256.04
  4. Step 4: Simplify right side
    11,331.93x = 156,626,412.77
  5. Step 5: Solve for x
    x = 156,626,412.77/11,331.93
  6. Step 6: Final answer
    x = 13,821.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.