Home / 10,810.80-14,918.40-7,273.44

Finding the Fourth Proportional to 10,810.80, 14,918.40 and 7,273.44

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Solution

The fourth proportional to 10,810.80, 14,918.40 and 7,273.44 is: 10,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.80 : 14,918.40 = 7,273.44 : x
  2. Step 2: Convert to fraction form
    10,810.80/14,918.40 = 7,273.44/x
  3. Step 3: Cross multiply
    10,810.80x = 14,918.40 × 7,273.44
  4. Step 4: Simplify right side
    10,810.80x = 108,508,087.30
  5. Step 5: Solve for x
    x = 108,508,087.30/10,810.80
  6. Step 6: Final answer
    x = 10,037.01

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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.