Home / 10,362.52-15,548.37-5,430.98

Finding the Fourth Proportional to 10,362.52, 15,548.37 and 5,430.98

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Solution

The fourth proportional to 10,362.52, 15,548.37 and 5,430.98 is: 8,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.52 : 15,548.37 = 5,430.98 : x
  2. Step 2: Convert to fraction form
    10,362.52/15,548.37 = 5,430.98/x
  3. Step 3: Cross multiply
    10,362.52x = 15,548.37 × 5,430.98
  4. Step 4: Simplify right side
    10,362.52x = 84,442,781.61
  5. Step 5: Solve for x
    x = 84,442,781.61/10,362.52
  6. Step 6: Final answer
    x = 8,148.87

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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.