Home / 9,159.51-13,740.17-2,585.76

Finding the Fourth Proportional to 9,159.51, 13,740.17 and 2,585.76

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Solution

The fourth proportional to 9,159.51, 13,740.17 and 2,585.76 is: 3,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.51 : 13,740.17 = 2,585.76 : x
  2. Step 2: Convert to fraction form
    9,159.51/13,740.17 = 2,585.76/x
  3. Step 3: Cross multiply
    9,159.51x = 13,740.17 × 2,585.76
  4. Step 4: Simplify right side
    9,159.51x = 35,528,781.98
  5. Step 5: Solve for x
    x = 35,528,781.98/9,159.51
  6. Step 6: Final answer
    x = 3,878.90

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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.