Home / 9,158.13-13,744.99-3,615.40

Finding the Fourth Proportional to 9,158.13, 13,744.99 and 3,615.40

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Solution

The fourth proportional to 9,158.13, 13,744.99 and 3,615.40 is: 5,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.13 : 13,744.99 = 3,615.40 : x
  2. Step 2: Convert to fraction form
    9,158.13/13,744.99 = 3,615.40/x
  3. Step 3: Cross multiply
    9,158.13x = 13,744.99 × 3,615.40
  4. Step 4: Simplify right side
    9,158.13x = 49,693,658.55
  5. Step 5: Solve for x
    x = 49,693,658.55/9,158.13
  6. Step 6: Final answer
    x = 5,426.18

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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.