Home / 10,358.12-15,544.70-7,768.04

Finding the Fourth Proportional to 10,358.12, 15,544.70 and 7,768.04

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Solution

The fourth proportional to 10,358.12, 15,544.70 and 7,768.04 is: 11,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.12 : 15,544.70 = 7,768.04 : x
  2. Step 2: Convert to fraction form
    10,358.12/15,544.70 = 7,768.04/x
  3. Step 3: Cross multiply
    10,358.12x = 15,544.70 × 7,768.04
  4. Step 4: Simplify right side
    10,358.12x = 120,751,851.39
  5. Step 5: Solve for x
    x = 120,751,851.39/10,358.12
  6. Step 6: Final answer
    x = 11,657.70

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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.