Home / 7,487.31-10,330.71-4,503.27

Finding the Fourth Proportional to 7,487.31, 10,330.71 and 4,503.27

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Solution

The fourth proportional to 7,487.31, 10,330.71 and 4,503.27 is: 6,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.31 : 10,330.71 = 4,503.27 : x
  2. Step 2: Convert to fraction form
    7,487.31/10,330.71 = 4,503.27/x
  3. Step 3: Cross multiply
    7,487.31x = 10,330.71 × 4,503.27
  4. Step 4: Simplify right side
    7,487.31x = 46,521,976.42
  5. Step 5: Solve for x
    x = 46,521,976.42/7,487.31
  6. Step 6: Final answer
    x = 6,213.44

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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.