Home / 10,362.70-15,544.05-3,437.20

Finding the Fourth Proportional to 10,362.70, 15,544.05 and 3,437.20

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Solution

The fourth proportional to 10,362.70, 15,544.05 and 3,437.20 is: 5,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.70 : 15,544.05 = 3,437.20 : x
  2. Step 2: Convert to fraction form
    10,362.70/15,544.05 = 3,437.20/x
  3. Step 3: Cross multiply
    10,362.70x = 15,544.05 × 3,437.20
  4. Step 4: Simplify right side
    10,362.70x = 53,428,008.66
  5. Step 5: Solve for x
    x = 53,428,008.66/10,362.70
  6. Step 6: Final answer
    x = 5,155.80

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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.