Home / 10,472.51-15,711.69-4,236.90

Finding the Fourth Proportional to 10,472.51, 15,711.69 and 4,236.90

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Solution

The fourth proportional to 10,472.51, 15,711.69 and 4,236.90 is: 6,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.51 : 15,711.69 = 4,236.90 : x
  2. Step 2: Convert to fraction form
    10,472.51/15,711.69 = 4,236.90/x
  3. Step 3: Cross multiply
    10,472.51x = 15,711.69 × 4,236.90
  4. Step 4: Simplify right side
    10,472.51x = 66,568,859.36
  5. Step 5: Solve for x
    x = 66,568,859.36/10,472.51
  6. Step 6: Final answer
    x = 6,356.53

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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.