Home / 9,741.60-13,443.12-5,550.24

Finding the Fourth Proportional to 9,741.60, 13,443.12 and 5,550.24

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Solution

The fourth proportional to 9,741.60, 13,443.12 and 5,550.24 is: 7,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,741.60 : 13,443.12 = 5,550.24 : x
  2. Step 2: Convert to fraction form
    9,741.60/13,443.12 = 5,550.24/x
  3. Step 3: Cross multiply
    9,741.60x = 13,443.12 × 5,550.24
  4. Step 4: Simplify right side
    9,741.60x = 74,612,542.35
  5. Step 5: Solve for x
    x = 74,612,542.35/9,741.60
  6. Step 6: Final answer
    x = 7,659.17

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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.