Home / 10,177.56-15,224.76-7,693.92

Finding the Fourth Proportional to 10,177.56, 15,224.76 and 7,693.92

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Solution

The fourth proportional to 10,177.56, 15,224.76 and 7,693.92 is: 11,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.56 : 15,224.76 = 7,693.92 : x
  2. Step 2: Convert to fraction form
    10,177.56/15,224.76 = 7,693.92/x
  3. Step 3: Cross multiply
    10,177.56x = 15,224.76 × 7,693.92
  4. Step 4: Simplify right side
    10,177.56x = 117,138,085.46
  5. Step 5: Solve for x
    x = 117,138,085.46/10,177.56
  6. Step 6: Final answer
    x = 11,509.45

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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.