Home / 8,981.95-12,393.60-5,002.96

Finding the Fourth Proportional to 8,981.95, 12,393.60 and 5,002.96

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Solution

The fourth proportional to 8,981.95, 12,393.60 and 5,002.96 is: 6,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.95 : 12,393.60 = 5,002.96 : x
  2. Step 2: Convert to fraction form
    8,981.95/12,393.60 = 5,002.96/x
  3. Step 3: Cross multiply
    8,981.95x = 12,393.60 × 5,002.96
  4. Step 4: Simplify right side
    8,981.95x = 62,004,685.06
  5. Step 5: Solve for x
    x = 62,004,685.06/8,981.95
  6. Step 6: Final answer
    x = 6,903.25

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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.