Home / 7,480.65-10,323.33-4,123.44

Finding the Fourth Proportional to 7,480.65, 10,323.33 and 4,123.44

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Solution

The fourth proportional to 7,480.65, 10,323.33 and 4,123.44 is: 5,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.65 : 10,323.33 = 4,123.44 : x
  2. Step 2: Convert to fraction form
    7,480.65/10,323.33 = 4,123.44/x
  3. Step 3: Cross multiply
    7,480.65x = 10,323.33 × 4,123.44
  4. Step 4: Simplify right side
    7,480.65x = 42,567,631.86
  5. Step 5: Solve for x
    x = 42,567,631.86/7,480.65
  6. Step 6: Final answer
    x = 5,690.37

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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.