Home / 10,253.12-15,384.26-4,985.24

Finding the Fourth Proportional to 10,253.12, 15,384.26 and 4,985.24

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Solution

The fourth proportional to 10,253.12, 15,384.26 and 4,985.24 is: 7,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.12 : 15,384.26 = 4,985.24 : x
  2. Step 2: Convert to fraction form
    10,253.12/15,384.26 = 4,985.24/x
  3. Step 3: Cross multiply
    10,253.12x = 15,384.26 × 4,985.24
  4. Step 4: Simplify right side
    10,253.12x = 76,694,228.32
  5. Step 5: Solve for x
    x = 76,694,228.32/10,253.12
  6. Step 6: Final answer
    x = 7,480.09

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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.