Home / 10,472.96-15,709.84-2,681.76

Finding the Fourth Proportional to 10,472.96, 15,709.84 and 2,681.76

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Solution

The fourth proportional to 10,472.96, 15,709.84 and 2,681.76 is: 4,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.96 : 15,709.84 = 2,681.76 : x
  2. Step 2: Convert to fraction form
    10,472.96/15,709.84 = 2,681.76/x
  3. Step 3: Cross multiply
    10,472.96x = 15,709.84 × 2,681.76
  4. Step 4: Simplify right side
    10,472.96x = 42,130,020.52
  5. Step 5: Solve for x
    x = 42,130,020.52/10,472.96
  6. Step 6: Final answer
    x = 4,022.74

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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.