Home / 9,220.60-12,726.08-5,443.54

Finding the Fourth Proportional to 9,220.60, 12,726.08 and 5,443.54

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Solution

The fourth proportional to 9,220.60, 12,726.08 and 5,443.54 is: 7,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.60 : 12,726.08 = 5,443.54 : x
  2. Step 2: Convert to fraction form
    9,220.60/12,726.08 = 5,443.54/x
  3. Step 3: Cross multiply
    9,220.60x = 12,726.08 × 5,443.54
  4. Step 4: Simplify right side
    9,220.60x = 69,274,925.52
  5. Step 5: Solve for x
    x = 69,274,925.52/9,220.60
  6. Step 6: Final answer
    x = 7,513.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.