Home / 7,331.92-10,988.60-3,167.12

Finding the Fourth Proportional to 7,331.92, 10,988.60 and 3,167.12

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Solution

The fourth proportional to 7,331.92, 10,988.60 and 3,167.12 is: 4,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.92 : 10,988.60 = 3,167.12 : x
  2. Step 2: Convert to fraction form
    7,331.92/10,988.60 = 3,167.12/x
  3. Step 3: Cross multiply
    7,331.92x = 10,988.60 × 3,167.12
  4. Step 4: Simplify right side
    7,331.92x = 34,802,214.83
  5. Step 5: Solve for x
    x = 34,802,214.83/7,331.92
  6. Step 6: Final answer
    x = 4,746.67

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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.