Home / 13,048.52-18,006.80-7,080.14

Finding the Fourth Proportional to 13,048.52, 18,006.80 and 7,080.14

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Solution

The fourth proportional to 13,048.52, 18,006.80 and 7,080.14 is: 9,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.52 : 18,006.80 = 7,080.14 : x
  2. Step 2: Convert to fraction form
    13,048.52/18,006.80 = 7,080.14/x
  3. Step 3: Cross multiply
    13,048.52x = 18,006.80 × 7,080.14
  4. Step 4: Simplify right side
    13,048.52x = 127,490,539.52
  5. Step 5: Solve for x
    x = 127,490,539.52/13,048.52
  6. Step 6: Final answer
    x = 9,770.50

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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.