Home / 10,606.90-15,904.28-4,371.22

Finding the Fourth Proportional to 10,606.90, 15,904.28 and 4,371.22

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Solution

The fourth proportional to 10,606.90, 15,904.28 and 4,371.22 is: 6,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.90 : 15,904.28 = 4,371.22 : x
  2. Step 2: Convert to fraction form
    10,606.90/15,904.28 = 4,371.22/x
  3. Step 3: Cross multiply
    10,606.90x = 15,904.28 × 4,371.22
  4. Step 4: Simplify right side
    10,606.90x = 69,521,106.82
  5. Step 5: Solve for x
    x = 69,521,106.82/10,606.90
  6. Step 6: Final answer
    x = 6,554.33

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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.