Home / 10,110.70-15,155.64-3,869.01

Finding the Fourth Proportional to 10,110.70, 15,155.64 and 3,869.01

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Solution

The fourth proportional to 10,110.70, 15,155.64 and 3,869.01 is: 5,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.70 : 15,155.64 = 3,869.01 : x
  2. Step 2: Convert to fraction form
    10,110.70/15,155.64 = 3,869.01/x
  3. Step 3: Cross multiply
    10,110.70x = 15,155.64 × 3,869.01
  4. Step 4: Simplify right side
    10,110.70x = 58,637,322.72
  5. Step 5: Solve for x
    x = 58,637,322.72/10,110.70
  6. Step 6: Final answer
    x = 5,799.53

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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.