Home / 10,970.74-16,463.40-5,127.82

Finding the Fourth Proportional to 10,970.74, 16,463.40 and 5,127.82

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Solution

The fourth proportional to 10,970.74, 16,463.40 and 5,127.82 is: 7,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.74 : 16,463.40 = 5,127.82 : x
  2. Step 2: Convert to fraction form
    10,970.74/16,463.40 = 5,127.82/x
  3. Step 3: Cross multiply
    10,970.74x = 16,463.40 × 5,127.82
  4. Step 4: Simplify right side
    10,970.74x = 84,421,351.79
  5. Step 5: Solve for x
    x = 84,421,351.79/10,970.74
  6. Step 6: Final answer
    x = 7,695.14

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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.