Home / 13,048.24-18,006.55-7,079.91

Finding the Fourth Proportional to 13,048.24, 18,006.55 and 7,079.91

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Solution

The fourth proportional to 13,048.24, 18,006.55 and 7,079.91 is: 9,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.24 : 18,006.55 = 7,079.91 : x
  2. Step 2: Convert to fraction form
    13,048.24/18,006.55 = 7,079.91/x
  3. Step 3: Cross multiply
    13,048.24x = 18,006.55 × 7,079.91
  4. Step 4: Simplify right side
    13,048.24x = 127,484,753.41
  5. Step 5: Solve for x
    x = 127,484,753.41/13,048.24
  6. Step 6: Final answer
    x = 9,770.26

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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.