Home / 8,701.83-12,008.39-4,925.71

Finding the Fourth Proportional to 8,701.83, 12,008.39 and 4,925.71

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Solution

The fourth proportional to 8,701.83, 12,008.39 and 4,925.71 is: 6,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.83 : 12,008.39 = 4,925.71 : x
  2. Step 2: Convert to fraction form
    8,701.83/12,008.39 = 4,925.71/x
  3. Step 3: Cross multiply
    8,701.83x = 12,008.39 × 4,925.71
  4. Step 4: Simplify right side
    8,701.83x = 59,149,829.00
  5. Step 5: Solve for x
    x = 59,149,829.00/8,701.83
  6. Step 6: Final answer
    x = 6,797.40

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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.