Home / 7,919.12-11,849.52-7,034.60

Finding the Fourth Proportional to 7,919.12, 11,849.52 and 7,034.60

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Solution

The fourth proportional to 7,919.12, 11,849.52 and 7,034.60 is: 10,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.12 : 11,849.52 = 7,034.60 : x
  2. Step 2: Convert to fraction form
    7,919.12/11,849.52 = 7,034.60/x
  3. Step 3: Cross multiply
    7,919.12x = 11,849.52 × 7,034.60
  4. Step 4: Simplify right side
    7,919.12x = 83,356,633.39
  5. Step 5: Solve for x
    x = 83,356,633.39/7,919.12
  6. Step 6: Final answer
    x = 10,526.00

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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.