Home / 8,759.95-12,088.64-4,781.02

Finding the Fourth Proportional to 8,759.95, 12,088.64 and 4,781.02

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Solution

The fourth proportional to 8,759.95, 12,088.64 and 4,781.02 is: 6,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.95 : 12,088.64 = 4,781.02 : x
  2. Step 2: Convert to fraction form
    8,759.95/12,088.64 = 4,781.02/x
  3. Step 3: Cross multiply
    8,759.95x = 12,088.64 × 4,781.02
  4. Step 4: Simplify right side
    8,759.95x = 57,796,029.61
  5. Step 5: Solve for x
    x = 57,796,029.61/8,759.95
  6. Step 6: Final answer
    x = 6,597.76

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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.