Home / 8,211.04-12,316.48-5,572.02

Finding the Fourth Proportional to 8,211.04, 12,316.48 and 5,572.02

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Solution

The fourth proportional to 8,211.04, 12,316.48 and 5,572.02 is: 8,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.04 : 12,316.48 = 5,572.02 : x
  2. Step 2: Convert to fraction form
    8,211.04/12,316.48 = 5,572.02/x
  3. Step 3: Cross multiply
    8,211.04x = 12,316.48 × 5,572.02
  4. Step 4: Simplify right side
    8,211.04x = 68,627,672.89
  5. Step 5: Solve for x
    x = 68,627,672.89/8,211.04
  6. Step 6: Final answer
    x = 8,357.98

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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.