Home / 10,551.87-15,828.64-3,531.92

Finding the Fourth Proportional to 10,551.87, 15,828.64 and 3,531.92

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Solution

The fourth proportional to 10,551.87, 15,828.64 and 3,531.92 is: 5,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.87 : 15,828.64 = 3,531.92 : x
  2. Step 2: Convert to fraction form
    10,551.87/15,828.64 = 3,531.92/x
  3. Step 3: Cross multiply
    10,551.87x = 15,828.64 × 3,531.92
  4. Step 4: Simplify right side
    10,551.87x = 55,905,490.19
  5. Step 5: Solve for x
    x = 55,905,490.19/10,551.87
  6. Step 6: Final answer
    x = 5,298.16

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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.