Home / 8,807.13-12,154.20-4,828.39

Finding the Fourth Proportional to 8,807.13, 12,154.20 and 4,828.39

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Solution

The fourth proportional to 8,807.13, 12,154.20 and 4,828.39 is: 6,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.13 : 12,154.20 = 4,828.39 : x
  2. Step 2: Convert to fraction form
    8,807.13/12,154.20 = 4,828.39/x
  3. Step 3: Cross multiply
    8,807.13x = 12,154.20 × 4,828.39
  4. Step 4: Simplify right side
    8,807.13x = 58,685,217.74
  5. Step 5: Solve for x
    x = 58,685,217.74/8,807.13
  6. Step 6: Final answer
    x = 6,663.38

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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.