Home / 10,522.98-15,784.47-3,127.41

Finding the Fourth Proportional to 10,522.98, 15,784.47 and 3,127.41

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Solution

The fourth proportional to 10,522.98, 15,784.47 and 3,127.41 is: 4,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.98 : 15,784.47 = 3,127.41 : x
  2. Step 2: Convert to fraction form
    10,522.98/15,784.47 = 3,127.41/x
  3. Step 3: Cross multiply
    10,522.98x = 15,784.47 × 3,127.41
  4. Step 4: Simplify right side
    10,522.98x = 49,364,509.32
  5. Step 5: Solve for x
    x = 49,364,509.32/10,522.98
  6. Step 6: Final answer
    x = 4,691.12

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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.