Home / 8,570.44-11,829.16-5,581.04

Finding the Fourth Proportional to 8,570.44, 11,829.16 and 5,581.04

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Solution

The fourth proportional to 8,570.44, 11,829.16 and 5,581.04 is: 7,703.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.44 : 11,829.16 = 5,581.04 : x
  2. Step 2: Convert to fraction form
    8,570.44/11,829.16 = 5,581.04/x
  3. Step 3: Cross multiply
    8,570.44x = 11,829.16 × 5,581.04
  4. Step 4: Simplify right side
    8,570.44x = 66,019,015.13
  5. Step 5: Solve for x
    x = 66,019,015.13/8,570.44
  6. Step 6: Final answer
    x = 7,703.11

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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.