Home / 7,122.56-10,671.96-6,306.08

Finding the Fourth Proportional to 7,122.56, 10,671.96 and 6,306.08

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Solution

The fourth proportional to 7,122.56, 10,671.96 and 6,306.08 is: 9,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.56 : 10,671.96 = 6,306.08 : x
  2. Step 2: Convert to fraction form
    7,122.56/10,671.96 = 6,306.08/x
  3. Step 3: Cross multiply
    7,122.56x = 10,671.96 × 6,306.08
  4. Step 4: Simplify right side
    7,122.56x = 67,298,233.52
  5. Step 5: Solve for x
    x = 67,298,233.52/7,122.56
  6. Step 6: Final answer
    x = 9,448.60

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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.