Home / 9,432.40-13,021.32-5,897.56

Finding the Fourth Proportional to 9,432.40, 13,021.32 and 5,897.56

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Solution

The fourth proportional to 9,432.40, 13,021.32 and 5,897.56 is: 8,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.40 : 13,021.32 = 5,897.56 : x
  2. Step 2: Convert to fraction form
    9,432.40/13,021.32 = 5,897.56/x
  3. Step 3: Cross multiply
    9,432.40x = 13,021.32 × 5,897.56
  4. Step 4: Simplify right side
    9,432.40x = 76,794,015.98
  5. Step 5: Solve for x
    x = 76,794,015.98/9,432.40
  6. Step 6: Final answer
    x = 8,141.51

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1.5x scale

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.