Home / 9,621.12-14,432.24-2,696.16

Finding the Fourth Proportional to 9,621.12, 14,432.24 and 2,696.16

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Solution

The fourth proportional to 9,621.12, 14,432.24 and 2,696.16 is: 4,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.12 : 14,432.24 = 2,696.16 : x
  2. Step 2: Convert to fraction form
    9,621.12/14,432.24 = 2,696.16/x
  3. Step 3: Cross multiply
    9,621.12x = 14,432.24 × 2,696.16
  4. Step 4: Simplify right side
    9,621.12x = 38,911,628.20
  5. Step 5: Solve for x
    x = 38,911,628.20/9,621.12
  6. Step 6: Final answer
    x = 4,044.40

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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.