Home / 29,307.02-43,959.92-7,120.51

Finding the Fourth Proportional to 29,307.02, 43,959.92 and 7,120.51

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Solution

The fourth proportional to 29,307.02, 43,959.92 and 7,120.51 is: 10,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.02 : 43,959.92 = 7,120.51 : x
  2. Step 2: Convert to fraction form
    29,307.02/43,959.92 = 7,120.51/x
  3. Step 3: Cross multiply
    29,307.02x = 43,959.92 × 7,120.51
  4. Step 4: Simplify right side
    29,307.02x = 313,016,904.46
  5. Step 5: Solve for x
    x = 313,016,904.46/29,307.02
  6. Step 6: Final answer
    x = 10,680.61

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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.