Home / 8,901.59-12,284.51-5,757.77

Finding the Fourth Proportional to 8,901.59, 12,284.51 and 5,757.77

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Solution

The fourth proportional to 8,901.59, 12,284.51 and 5,757.77 is: 7,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.59 : 12,284.51 = 5,757.77 : x
  2. Step 2: Convert to fraction form
    8,901.59/12,284.51 = 5,757.77/x
  3. Step 3: Cross multiply
    8,901.59x = 12,284.51 × 5,757.77
  4. Step 4: Simplify right side
    8,901.59x = 70,731,292.93
  5. Step 5: Solve for x
    x = 70,731,292.93/8,901.59
  6. Step 6: Final answer
    x = 7,945.92

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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.