Home / 10,525.73-15,774.94-4,278.48

Finding the Fourth Proportional to 10,525.73, 15,774.94 and 4,278.48

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Solution

The fourth proportional to 10,525.73, 15,774.94 and 4,278.48 is: 6,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.73 : 15,774.94 = 4,278.48 : x
  2. Step 2: Convert to fraction form
    10,525.73/15,774.94 = 4,278.48/x
  3. Step 3: Cross multiply
    10,525.73x = 15,774.94 × 4,278.48
  4. Step 4: Simplify right side
    10,525.73x = 67,492,711.48
  5. Step 5: Solve for x
    x = 67,492,711.48/10,525.73
  6. Step 6: Final answer
    x = 6,412.17

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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.