Home / 10,195.61-15,275.97-7,973.60

Finding the Fourth Proportional to 10,195.61, 15,275.97 and 7,973.60

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Solution

The fourth proportional to 10,195.61, 15,275.97 and 7,973.60 is: 11,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.61 : 15,275.97 = 7,973.60 : x
  2. Step 2: Convert to fraction form
    10,195.61/15,275.97 = 7,973.60/x
  3. Step 3: Cross multiply
    10,195.61x = 15,275.97 × 7,973.60
  4. Step 4: Simplify right side
    10,195.61x = 121,804,398.01
  5. Step 5: Solve for x
    x = 121,804,398.01/10,195.61
  6. Step 6: Final answer
    x = 11,946.76

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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.