Home / 7,487.56-10,333.11-4,130.50

Finding the Fourth Proportional to 7,487.56, 10,333.11 and 4,130.50

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Solution

The fourth proportional to 7,487.56, 10,333.11 and 4,130.50 is: 5,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.56 : 10,333.11 = 4,130.50 : x
  2. Step 2: Convert to fraction form
    7,487.56/10,333.11 = 4,130.50/x
  3. Step 3: Cross multiply
    7,487.56x = 10,333.11 × 4,130.50
  4. Step 4: Simplify right side
    7,487.56x = 42,680,910.86
  5. Step 5: Solve for x
    x = 42,680,910.86/7,487.56
  6. Step 6: Final answer
    x = 5,700.24

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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.