Home / 8,931.97-13,397.96-3,088.63

Finding the Fourth Proportional to 8,931.97, 13,397.96 and 3,088.63

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Solution

The fourth proportional to 8,931.97, 13,397.96 and 3,088.63 is: 4,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.97 : 13,397.96 = 3,088.63 : x
  2. Step 2: Convert to fraction form
    8,931.97/13,397.96 = 3,088.63/x
  3. Step 3: Cross multiply
    8,931.97x = 13,397.96 × 3,088.63
  4. Step 4: Simplify right side
    8,931.97x = 41,381,341.19
  5. Step 5: Solve for x
    x = 41,381,341.19/8,931.97
  6. Step 6: Final answer
    x = 4,632.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.