Home / 7,486.28-10,331.76-4,300.02

Finding the Fourth Proportional to 7,486.28, 10,331.76 and 4,300.02

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Solution

The fourth proportional to 7,486.28, 10,331.76 and 4,300.02 is: 5,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.28 : 10,331.76 = 4,300.02 : x
  2. Step 2: Convert to fraction form
    7,486.28/10,331.76 = 4,300.02/x
  3. Step 3: Cross multiply
    7,486.28x = 10,331.76 × 4,300.02
  4. Step 4: Simplify right side
    7,486.28x = 44,426,774.64
  5. Step 5: Solve for x
    x = 44,426,774.64/7,486.28
  6. Step 6: Final answer
    x = 5,934.43

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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.