Home / 11,291.07-15,582.11-6,255.18

Finding the Fourth Proportional to 11,291.07, 15,582.11 and 6,255.18

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Solution

The fourth proportional to 11,291.07, 15,582.11 and 6,255.18 is: 8,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.07 : 15,582.11 = 6,255.18 : x
  2. Step 2: Convert to fraction form
    11,291.07/15,582.11 = 6,255.18/x
  3. Step 3: Cross multiply
    11,291.07x = 15,582.11 × 6,255.18
  4. Step 4: Simplify right side
    11,291.07x = 97,468,871.55
  5. Step 5: Solve for x
    x = 97,468,871.55/11,291.07
  6. Step 6: Final answer
    x = 8,632.39

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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.