Home / 10,094.40-15,134.76-5,154.48

Finding the Fourth Proportional to 10,094.40, 15,134.76 and 5,154.48

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Solution

The fourth proportional to 10,094.40, 15,134.76 and 5,154.48 is: 7,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,094.40 : 15,134.76 = 5,154.48 : x
  2. Step 2: Convert to fraction form
    10,094.40/15,134.76 = 5,154.48/x
  3. Step 3: Cross multiply
    10,094.40x = 15,134.76 × 5,154.48
  4. Step 4: Simplify right side
    10,094.40x = 78,011,817.72
  5. Step 5: Solve for x
    x = 78,011,817.72/10,094.40
  6. Step 6: Final answer
    x = 7,728.23

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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.