Home / 10,634.53-15,946.56-3,970.76

Finding the Fourth Proportional to 10,634.53, 15,946.56 and 3,970.76

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Solution

The fourth proportional to 10,634.53, 15,946.56 and 3,970.76 is: 5,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.53 : 15,946.56 = 3,970.76 : x
  2. Step 2: Convert to fraction form
    10,634.53/15,946.56 = 3,970.76/x
  3. Step 3: Cross multiply
    10,634.53x = 15,946.56 × 3,970.76
  4. Step 4: Simplify right side
    10,634.53x = 63,319,962.59
  5. Step 5: Solve for x
    x = 63,319,962.59/10,634.53
  6. Step 6: Final answer
    x = 5,954.19

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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.