Home / 8,423.42-11,624.29-4,838.61

Finding the Fourth Proportional to 8,423.42, 11,624.29 and 4,838.61

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Solution

The fourth proportional to 8,423.42, 11,624.29 and 4,838.61 is: 6,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.42 : 11,624.29 = 4,838.61 : x
  2. Step 2: Convert to fraction form
    8,423.42/11,624.29 = 4,838.61/x
  3. Step 3: Cross multiply
    8,423.42x = 11,624.29 × 4,838.61
  4. Step 4: Simplify right side
    8,423.42x = 56,245,405.84
  5. Step 5: Solve for x
    x = 56,245,405.84/8,423.42
  6. Step 6: Final answer
    x = 6,677.26

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Half 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.