Home / 7,549.11-11,320.01-3,165.39

Finding the Fourth Proportional to 7,549.11, 11,320.01 and 3,165.39

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Solution

The fourth proportional to 7,549.11, 11,320.01 and 3,165.39 is: 4,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.11 : 11,320.01 = 3,165.39 : x
  2. Step 2: Convert to fraction form
    7,549.11/11,320.01 = 3,165.39/x
  3. Step 3: Cross multiply
    7,549.11x = 11,320.01 × 3,165.39
  4. Step 4: Simplify right side
    7,549.11x = 35,832,246.45
  5. Step 5: Solve for x
    x = 35,832,246.45/7,549.11
  6. Step 6: Final answer
    x = 4,746.55

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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.