Home / 10,011.36-15,017.92-2,615.76

Finding the Fourth Proportional to 10,011.36, 15,017.92 and 2,615.76

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Solution

The fourth proportional to 10,011.36, 15,017.92 and 2,615.76 is: 3,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.36 : 15,017.92 = 2,615.76 : x
  2. Step 2: Convert to fraction form
    10,011.36/15,017.92 = 2,615.76/x
  3. Step 3: Cross multiply
    10,011.36x = 15,017.92 × 2,615.76
  4. Step 4: Simplify right side
    10,011.36x = 39,283,274.42
  5. Step 5: Solve for x
    x = 39,283,274.42/10,011.36
  6. Step 6: Final answer
    x = 3,923.87

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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.