Home / 11,291.58-15,582.18-6,255.70

Finding the Fourth Proportional to 11,291.58, 15,582.18 and 6,255.70

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Solution

The fourth proportional to 11,291.58, 15,582.18 and 6,255.70 is: 8,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.58 : 15,582.18 = 6,255.70 : x
  2. Step 2: Convert to fraction form
    11,291.58/15,582.18 = 6,255.70/x
  3. Step 3: Cross multiply
    11,291.58x = 15,582.18 × 6,255.70
  4. Step 4: Simplify right side
    11,291.58x = 97,477,443.43
  5. Step 5: Solve for x
    x = 97,477,443.43/11,291.58
  6. Step 6: Final answer
    x = 8,632.75

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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.