Home / 8,283.16-11,421.20-6,603.26

Finding the Fourth Proportional to 8,283.16, 11,421.20 and 6,603.26

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Solution

The fourth proportional to 8,283.16, 11,421.20 and 6,603.26 is: 9,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.16 : 11,421.20 = 6,603.26 : x
  2. Step 2: Convert to fraction form
    8,283.16/11,421.20 = 6,603.26/x
  3. Step 3: Cross multiply
    8,283.16x = 11,421.20 × 6,603.26
  4. Step 4: Simplify right side
    8,283.16x = 75,417,120.10
  5. Step 5: Solve for x
    x = 75,417,120.10/8,283.16
  6. Step 6: Final answer
    x = 9,104.87

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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.