Home / 10,436.16-15,645.97-5,167.45

Finding the Fourth Proportional to 10,436.16, 15,645.97 and 5,167.45

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Solution

The fourth proportional to 10,436.16, 15,645.97 and 5,167.45 is: 7,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.16 : 15,645.97 = 5,167.45 : x
  2. Step 2: Convert to fraction form
    10,436.16/15,645.97 = 5,167.45/x
  3. Step 3: Cross multiply
    10,436.16x = 15,645.97 × 5,167.45
  4. Step 4: Simplify right side
    10,436.16x = 80,849,767.68
  5. Step 5: Solve for x
    x = 80,849,767.68/10,436.16
  6. Step 6: Final answer
    x = 7,747.08

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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.