Home / 8,274.29-11,421.77-5,623.23

Finding the Fourth Proportional to 8,274.29, 11,421.77 and 5,623.23

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Solution

The fourth proportional to 8,274.29, 11,421.77 and 5,623.23 is: 7,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.29 : 11,421.77 = 5,623.23 : x
  2. Step 2: Convert to fraction form
    8,274.29/11,421.77 = 5,623.23/x
  3. Step 3: Cross multiply
    8,274.29x = 11,421.77 × 5,623.23
  4. Step 4: Simplify right side
    8,274.29x = 64,227,211.60
  5. Step 5: Solve for x
    x = 64,227,211.60/8,274.29
  6. Step 6: Final answer
    x = 7,762.26

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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.