Home / 7,943.50-10,962.06-4,407.28

Finding the Fourth Proportional to 7,943.50, 10,962.06 and 4,407.28

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Solution

The fourth proportional to 7,943.50, 10,962.06 and 4,407.28 is: 6,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.50 : 10,962.06 = 4,407.28 : x
  2. Step 2: Convert to fraction form
    7,943.50/10,962.06 = 4,407.28/x
  3. Step 3: Cross multiply
    7,943.50x = 10,962.06 × 4,407.28
  4. Step 4: Simplify right side
    7,943.50x = 48,312,867.80
  5. Step 5: Solve for x
    x = 48,312,867.80/7,943.50
  6. Step 6: Final answer
    x = 6,082.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.