Home / 7,370.28-11,055.92-5,618.04

Finding the Fourth Proportional to 7,370.28, 11,055.92 and 5,618.04

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Solution

The fourth proportional to 7,370.28, 11,055.92 and 5,618.04 is: 8,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.28 : 11,055.92 = 5,618.04 : x
  2. Step 2: Convert to fraction form
    7,370.28/11,055.92 = 5,618.04/x
  3. Step 3: Cross multiply
    7,370.28x = 11,055.92 × 5,618.04
  4. Step 4: Simplify right side
    7,370.28x = 62,112,572.71
  5. Step 5: Solve for x
    x = 62,112,572.71/7,370.28
  6. Step 6: Final answer
    x = 8,427.44

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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.