Home / 8,400.36-11,592.74-4,864.68

Finding the Fourth Proportional to 8,400.36, 11,592.74 and 4,864.68

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Solution

The fourth proportional to 8,400.36, 11,592.74 and 4,864.68 is: 6,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.36 : 11,592.74 = 4,864.68 : x
  2. Step 2: Convert to fraction form
    8,400.36/11,592.74 = 4,864.68/x
  3. Step 3: Cross multiply
    8,400.36x = 11,592.74 × 4,864.68
  4. Step 4: Simplify right side
    8,400.36x = 56,394,970.42
  5. Step 5: Solve for x
    x = 56,394,970.42/8,400.36
  6. Step 6: Final answer
    x = 6,713.40

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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.