Home / 8,877.74-12,251.01-5,100.77

Finding the Fourth Proportional to 8,877.74, 12,251.01 and 5,100.77

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Solution

The fourth proportional to 8,877.74, 12,251.01 and 5,100.77 is: 7,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.74 : 12,251.01 = 5,100.77 : x
  2. Step 2: Convert to fraction form
    8,877.74/12,251.01 = 5,100.77/x
  3. Step 3: Cross multiply
    8,877.74x = 12,251.01 × 5,100.77
  4. Step 4: Simplify right side
    8,877.74x = 62,489,634.03
  5. Step 5: Solve for x
    x = 62,489,634.03/8,877.74
  6. Step 6: Final answer
    x = 7,038.92

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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.