Home / 8,677.09-11,974.39-4,698.20

Finding the Fourth Proportional to 8,677.09, 11,974.39 and 4,698.20

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Solution

The fourth proportional to 8,677.09, 11,974.39 and 4,698.20 is: 6,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.09 : 11,974.39 = 4,698.20 : x
  2. Step 2: Convert to fraction form
    8,677.09/11,974.39 = 4,698.20/x
  3. Step 3: Cross multiply
    8,677.09x = 11,974.39 × 4,698.20
  4. Step 4: Simplify right side
    8,677.09x = 56,258,055.61
  5. Step 5: Solve for x
    x = 56,258,055.61/8,677.09
  6. Step 6: Final answer
    x = 6,483.52

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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.