Home / 10,189.08-15,278.88-5,973.60

Finding the Fourth Proportional to 10,189.08, 15,278.88 and 5,973.60

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Solution

The fourth proportional to 10,189.08, 15,278.88 and 5,973.60 is: 8,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.08 : 15,278.88 = 5,973.60 : x
  2. Step 2: Convert to fraction form
    10,189.08/15,278.88 = 5,973.60/x
  3. Step 3: Cross multiply
    10,189.08x = 15,278.88 × 5,973.60
  4. Step 4: Simplify right side
    10,189.08x = 91,269,917.57
  5. Step 5: Solve for x
    x = 91,269,917.57/10,189.08
  6. Step 6: Final answer
    x = 8,957.62

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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.