Home / 8,695.09-11,999.46-5,290.93

Finding the Fourth Proportional to 8,695.09, 11,999.46 and 5,290.93

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Solution

The fourth proportional to 8,695.09, 11,999.46 and 5,290.93 is: 7,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.09 : 11,999.46 = 5,290.93 : x
  2. Step 2: Convert to fraction form
    8,695.09/11,999.46 = 5,290.93/x
  3. Step 3: Cross multiply
    8,695.09x = 11,999.46 × 5,290.93
  4. Step 4: Simplify right side
    8,695.09x = 63,488,302.90
  5. Step 5: Solve for x
    x = 63,488,302.90/8,695.09
  6. Step 6: Final answer
    x = 7,301.63

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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.