Home / 13,048.49-18,006.90-7,080.16

Finding the Fourth Proportional to 13,048.49, 18,006.90 and 7,080.16

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Solution

The fourth proportional to 13,048.49, 18,006.90 and 7,080.16 is: 9,770.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.49 : 18,006.90 = 7,080.16 : x
  2. Step 2: Convert to fraction form
    13,048.49/18,006.90 = 7,080.16/x
  3. Step 3: Cross multiply
    13,048.49x = 18,006.90 × 7,080.16
  4. Step 4: Simplify right side
    13,048.49x = 127,491,697.70
  5. Step 5: Solve for x
    x = 127,491,697.70/13,048.49
  6. Step 6: Final answer
    x = 9,770.61

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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.