Home / 10,476.51-15,715.24-3,457.13

Finding the Fourth Proportional to 10,476.51, 15,715.24 and 3,457.13

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Solution

The fourth proportional to 10,476.51, 15,715.24 and 3,457.13 is: 5,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.51 : 15,715.24 = 3,457.13 : x
  2. Step 2: Convert to fraction form
    10,476.51/15,715.24 = 3,457.13/x
  3. Step 3: Cross multiply
    10,476.51x = 15,715.24 × 3,457.13
  4. Step 4: Simplify right side
    10,476.51x = 54,329,627.66
  5. Step 5: Solve for x
    x = 54,329,627.66/10,476.51
  6. Step 6: Final answer
    x = 5,185.85

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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.