Home / 10,296.24-15,415.56-5,355.12

Finding the Fourth Proportional to 10,296.24, 15,415.56 and 5,355.12

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Solution

The fourth proportional to 10,296.24, 15,415.56 and 5,355.12 is: 8,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296.24 : 15,415.56 = 5,355.12 : x
  2. Step 2: Convert to fraction form
    10,296.24/15,415.56 = 5,355.12/x
  3. Step 3: Cross multiply
    10,296.24x = 15,415.56 × 5,355.12
  4. Step 4: Simplify right side
    10,296.24x = 82,552,173.67
  5. Step 5: Solve for x
    x = 82,552,173.67/10,296.24
  6. Step 6: Final answer
    x = 8,017.70

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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.