Home / 7,427.24-11,143.16-3,045.04

Finding the Fourth Proportional to 7,427.24, 11,143.16 and 3,045.04

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Solution

The fourth proportional to 7,427.24, 11,143.16 and 3,045.04 is: 4,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.24 : 11,143.16 = 3,045.04 : x
  2. Step 2: Convert to fraction form
    7,427.24/11,143.16 = 3,045.04/x
  3. Step 3: Cross multiply
    7,427.24x = 11,143.16 × 3,045.04
  4. Step 4: Simplify right side
    7,427.24x = 33,931,367.93
  5. Step 5: Solve for x
    x = 33,931,367.93/7,427.24
  6. Step 6: Final answer
    x = 4,568.50

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Half scale
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Double scale
Find fourth proportional to 7,428.24, 11,144.66 and 3,046.04
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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.