Home / 7,382.18-11,065.88-3,436.22

Finding the Fourth Proportional to 7,382.18, 11,065.88 and 3,436.22

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Solution

The fourth proportional to 7,382.18, 11,065.88 and 3,436.22 is: 5,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.18 : 11,065.88 = 3,436.22 : x
  2. Step 2: Convert to fraction form
    7,382.18/11,065.88 = 3,436.22/x
  3. Step 3: Cross multiply
    7,382.18x = 11,065.88 × 3,436.22
  4. Step 4: Simplify right side
    7,382.18x = 38,024,798.17
  5. Step 5: Solve for x
    x = 38,024,798.17/7,382.18
  6. Step 6: Final answer
    x = 5,150.89

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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.