Home / 8,330.16-12,492.12-3,397.14

Finding the Fourth Proportional to 8,330.16, 12,492.12 and 3,397.14

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Solution

The fourth proportional to 8,330.16, 12,492.12 and 3,397.14 is: 5,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.16 : 12,492.12 = 3,397.14 : x
  2. Step 2: Convert to fraction form
    8,330.16/12,492.12 = 3,397.14/x
  3. Step 3: Cross multiply
    8,330.16x = 12,492.12 × 3,397.14
  4. Step 4: Simplify right side
    8,330.16x = 42,437,480.54
  5. Step 5: Solve for x
    x = 42,437,480.54/8,330.16
  6. Step 6: Final answer
    x = 5,094.44

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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.