Home / 10,632.80-15,949.20-7,352.30

Finding the Fourth Proportional to 10,632.80, 15,949.20 and 7,352.30

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Solution

The fourth proportional to 10,632.80, 15,949.20 and 7,352.30 is: 11,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.80 : 15,949.20 = 7,352.30 : x
  2. Step 2: Convert to fraction form
    10,632.80/15,949.20 = 7,352.30/x
  3. Step 3: Cross multiply
    10,632.80x = 15,949.20 × 7,352.30
  4. Step 4: Simplify right side
    10,632.80x = 117,263,303.16
  5. Step 5: Solve for x
    x = 117,263,303.16/10,632.80
  6. Step 6: Final answer
    x = 11,028.45

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Similar ratio
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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.