Home / 10,117.69-15,166.28-4,186.38

Finding the Fourth Proportional to 10,117.69, 15,166.28 and 4,186.38

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Solution

The fourth proportional to 10,117.69, 15,166.28 and 4,186.38 is: 6,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.69 : 15,166.28 = 4,186.38 : x
  2. Step 2: Convert to fraction form
    10,117.69/15,166.28 = 4,186.38/x
  3. Step 3: Cross multiply
    10,117.69x = 15,166.28 × 4,186.38
  4. Step 4: Simplify right side
    10,117.69x = 63,491,878.61
  5. Step 5: Solve for x
    x = 63,491,878.61/10,117.69
  6. Step 6: Final answer
    x = 6,275.34

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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.