Home / 8,970.44-12,377.34-5,432.99

Finding the Fourth Proportional to 8,970.44, 12,377.34 and 5,432.99

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Solution

The fourth proportional to 8,970.44, 12,377.34 and 5,432.99 is: 7,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.44 : 12,377.34 = 5,432.99 : x
  2. Step 2: Convert to fraction form
    8,970.44/12,377.34 = 5,432.99/x
  3. Step 3: Cross multiply
    8,970.44x = 12,377.34 × 5,432.99
  4. Step 4: Simplify right side
    8,970.44x = 67,245,902.56
  5. Step 5: Solve for x
    x = 67,245,902.56/8,970.44
  6. Step 6: Final answer
    x = 7,496.39

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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.