Home / 10,328.31-14,232.51-7,179.03

Finding the Fourth Proportional to 10,328.31, 14,232.51 and 7,179.03

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Solution

The fourth proportional to 10,328.31, 14,232.51 and 7,179.03 is: 9,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.31 : 14,232.51 = 7,179.03 : x
  2. Step 2: Convert to fraction form
    10,328.31/14,232.51 = 7,179.03/x
  3. Step 3: Cross multiply
    10,328.31x = 14,232.51 × 7,179.03
  4. Step 4: Simplify right side
    10,328.31x = 102,175,616.27
  5. Step 5: Solve for x
    x = 102,175,616.27/10,328.31
  6. Step 6: Final answer
    x = 9,892.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.