Home / 11,639.17-17,444.85-8,110.06

Finding the Fourth Proportional to 11,639.17, 17,444.85 and 8,110.06

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Solution

The fourth proportional to 11,639.17, 17,444.85 and 8,110.06 is: 12,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.17 : 17,444.85 = 8,110.06 : x
  2. Step 2: Convert to fraction form
    11,639.17/17,444.85 = 8,110.06/x
  3. Step 3: Cross multiply
    11,639.17x = 17,444.85 × 8,110.06
  4. Step 4: Simplify right side
    11,639.17x = 141,478,780.19
  5. Step 5: Solve for x
    x = 141,478,780.19/11,639.17
  6. Step 6: Final answer
    x = 12,155.40

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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.