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Finding the Fourth Proportional to 7,326.86, 10,987.95 and 2,395.17

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Solution

The fourth proportional to 7,326.86, 10,987.95 and 2,395.17 is: 3,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.86 : 10,987.95 = 2,395.17 : x
  2. Step 2: Convert to fraction form
    7,326.86/10,987.95 = 2,395.17/x
  3. Step 3: Cross multiply
    7,326.86x = 10,987.95 × 2,395.17
  4. Step 4: Simplify right side
    7,326.86x = 26,318,017.18
  5. Step 5: Solve for x
    x = 26,318,017.18/7,326.86
  6. Step 6: Final answer
    x = 3,591.99

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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.