Home / 7,132.61-10,699.54-1,867.60

Finding the Fourth Proportional to 7,132.61, 10,699.54 and 1,867.60

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Solution

The fourth proportional to 7,132.61, 10,699.54 and 1,867.60 is: 2,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.61 : 10,699.54 = 1,867.60 : x
  2. Step 2: Convert to fraction form
    7,132.61/10,699.54 = 1,867.60/x
  3. Step 3: Cross multiply
    7,132.61x = 10,699.54 × 1,867.60
  4. Step 4: Simplify right side
    7,132.61x = 19,982,451.57
  5. Step 5: Solve for x
    x = 19,982,451.57/7,132.61
  6. Step 6: Final answer
    x = 2,801.56

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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.