Home / 10,106.40-15,162.12-5,949.84

Finding the Fourth Proportional to 10,106.40, 15,162.12 and 5,949.84

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Solution

The fourth proportional to 10,106.40, 15,162.12 and 5,949.84 is: 8,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.40 : 15,162.12 = 5,949.84 : x
  2. Step 2: Convert to fraction form
    10,106.40/15,162.12 = 5,949.84/x
  3. Step 3: Cross multiply
    10,106.40x = 15,162.12 × 5,949.84
  4. Step 4: Simplify right side
    10,106.40x = 90,212,188.06
  5. Step 5: Solve for x
    x = 90,212,188.06/10,106.40
  6. Step 6: Final answer
    x = 8,926.24

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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.