Home / 10,097.42-15,139.65-6,630.62

Finding the Fourth Proportional to 10,097.42, 15,139.65 and 6,630.62

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Solution

The fourth proportional to 10,097.42, 15,139.65 and 6,630.62 is: 9,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.42 : 15,139.65 = 6,630.62 : x
  2. Step 2: Convert to fraction form
    10,097.42/15,139.65 = 6,630.62/x
  3. Step 3: Cross multiply
    10,097.42x = 15,139.65 × 6,630.62
  4. Step 4: Simplify right side
    10,097.42x = 100,385,266.08
  5. Step 5: Solve for x
    x = 100,385,266.08/10,097.42
  6. Step 6: Final answer
    x = 9,941.67

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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.