Home / 10,071.04-13,899.84-5,821.50

Finding the Fourth Proportional to 10,071.04, 13,899.84 and 5,821.50

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Solution

The fourth proportional to 10,071.04, 13,899.84 and 5,821.50 is: 8,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.04 : 13,899.84 = 5,821.50 : x
  2. Step 2: Convert to fraction form
    10,071.04/13,899.84 = 5,821.50/x
  3. Step 3: Cross multiply
    10,071.04x = 13,899.84 × 5,821.50
  4. Step 4: Simplify right side
    10,071.04x = 80,917,918.56
  5. Step 5: Solve for x
    x = 80,917,918.56/10,071.04
  6. Step 6: Final answer
    x = 8,034.71

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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.