Home / 7,475.67-10,316.49-4,118.49

Finding the Fourth Proportional to 7,475.67, 10,316.49 and 4,118.49

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Solution

The fourth proportional to 7,475.67, 10,316.49 and 4,118.49 is: 5,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.67 : 10,316.49 = 4,118.49 : x
  2. Step 2: Convert to fraction form
    7,475.67/10,316.49 = 4,118.49/x
  3. Step 3: Cross multiply
    7,475.67x = 10,316.49 × 4,118.49
  4. Step 4: Simplify right side
    7,475.67x = 42,488,360.90
  5. Step 5: Solve for x
    x = 42,488,360.90/7,475.67
  6. Step 6: Final answer
    x = 5,683.55

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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.