Home / 10,098.12-15,150.42-6,403.44

Finding the Fourth Proportional to 10,098.12, 15,150.42 and 6,403.44

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Solution

The fourth proportional to 10,098.12, 15,150.42 and 6,403.44 is: 9,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.12 : 15,150.42 = 6,403.44 : x
  2. Step 2: Convert to fraction form
    10,098.12/15,150.42 = 6,403.44/x
  3. Step 3: Cross multiply
    10,098.12x = 15,150.42 × 6,403.44
  4. Step 4: Simplify right side
    10,098.12x = 97,014,805.44
  5. Step 5: Solve for x
    x = 97,014,805.44/10,098.12
  6. Step 6: Final answer
    x = 9,607.21

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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.