Home / 10,065.17-15,099.65-4,518.38

Finding the Fourth Proportional to 10,065.17, 15,099.65 and 4,518.38

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Solution

The fourth proportional to 10,065.17, 15,099.65 and 4,518.38 is: 6,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.17 : 15,099.65 = 4,518.38 : x
  2. Step 2: Convert to fraction form
    10,065.17/15,099.65 = 4,518.38/x
  3. Step 3: Cross multiply
    10,065.17x = 15,099.65 × 4,518.38
  4. Step 4: Simplify right side
    10,065.17x = 68,225,956.57
  5. Step 5: Solve for x
    x = 68,225,956.57/10,065.17
  6. Step 6: Final answer
    x = 6,778.42

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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.