Home / 29,328.13-43,991.73-7,141.47

Finding the Fourth Proportional to 29,328.13, 43,991.73 and 7,141.47

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Solution

The fourth proportional to 29,328.13, 43,991.73 and 7,141.47 is: 10,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,328.13 : 43,991.73 = 7,141.47 : x
  2. Step 2: Convert to fraction form
    29,328.13/43,991.73 = 7,141.47/x
  3. Step 3: Cross multiply
    29,328.13x = 43,991.73 × 7,141.47
  4. Step 4: Simplify right side
    29,328.13x = 314,165,475.16
  5. Step 5: Solve for x
    x = 314,165,475.16/29,328.13
  6. Step 6: Final answer
    x = 10,712.09

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1.5x scale

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.