Home / 13,013.21-17,958.23-7,044.93

Finding the Fourth Proportional to 13,013.21, 17,958.23 and 7,044.93

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Solution

The fourth proportional to 13,013.21, 17,958.23 and 7,044.93 is: 9,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.21 : 17,958.23 = 7,044.93 : x
  2. Step 2: Convert to fraction form
    13,013.21/17,958.23 = 7,044.93/x
  3. Step 3: Cross multiply
    13,013.21x = 17,958.23 × 7,044.93
  4. Step 4: Simplify right side
    13,013.21x = 126,514,490.89
  5. Step 5: Solve for x
    x = 126,514,490.89/13,013.21
  6. Step 6: Final answer
    x = 9,722.00

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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.