Home / 13,013.07-17,958.09-7,044.74

Finding the Fourth Proportional to 13,013.07, 17,958.09 and 7,044.74

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Solution

The fourth proportional to 13,013.07, 17,958.09 and 7,044.74 is: 9,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.07 : 17,958.09 = 7,044.74 : x
  2. Step 2: Convert to fraction form
    13,013.07/17,958.09 = 7,044.74/x
  3. Step 3: Cross multiply
    13,013.07x = 17,958.09 × 7,044.74
  4. Step 4: Simplify right side
    13,013.07x = 126,510,043.76
  5. Step 5: Solve for x
    x = 126,510,043.76/13,013.07
  6. Step 6: Final answer
    x = 9,721.77

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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.