Home / 7,195.70-10,782.18-5,432.36

Finding the Fourth Proportional to 7,195.70, 10,782.18 and 5,432.36

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Solution

The fourth proportional to 7,195.70, 10,782.18 and 5,432.36 is: 8,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.70 : 10,782.18 = 5,432.36 : x
  2. Step 2: Convert to fraction form
    7,195.70/10,782.18 = 5,432.36/x
  3. Step 3: Cross multiply
    7,195.70x = 10,782.18 × 5,432.36
  4. Step 4: Simplify right side
    7,195.70x = 58,572,683.34
  5. Step 5: Solve for x
    x = 58,572,683.34/7,195.70
  6. Step 6: Final answer
    x = 8,139.96

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1.5x scale

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.