Home / 10,070.79-13,899.48-5,821.26

Finding the Fourth Proportional to 10,070.79, 13,899.48 and 5,821.26

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Solution

The fourth proportional to 10,070.79, 13,899.48 and 5,821.26 is: 8,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.79 : 13,899.48 = 5,821.26 : x
  2. Step 2: Convert to fraction form
    10,070.79/13,899.48 = 5,821.26/x
  3. Step 3: Cross multiply
    10,070.79x = 13,899.48 × 5,821.26
  4. Step 4: Simplify right side
    10,070.79x = 80,912,486.94
  5. Step 5: Solve for x
    x = 80,912,486.94/10,070.79
  6. Step 6: Final answer
    x = 8,034.37

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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.