Home / 8,409.19-11,604.68-4,874.45

Finding the Fourth Proportional to 8,409.19, 11,604.68 and 4,874.45

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Solution

The fourth proportional to 8,409.19, 11,604.68 and 4,874.45 is: 6,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.19 : 11,604.68 = 4,874.45 : x
  2. Step 2: Convert to fraction form
    8,409.19/11,604.68 = 4,874.45/x
  3. Step 3: Cross multiply
    8,409.19x = 11,604.68 × 4,874.45
  4. Step 4: Simplify right side
    8,409.19x = 56,566,430.11
  5. Step 5: Solve for x
    x = 56,566,430.11/8,409.19
  6. Step 6: Final answer
    x = 6,726.74

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Half scale
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Double scale
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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.