Home / 9,878.97-14,818.46-4,331.06

Finding the Fourth Proportional to 9,878.97, 14,818.46 and 4,331.06

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Solution

The fourth proportional to 9,878.97, 14,818.46 and 4,331.06 is: 6,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.97 : 14,818.46 = 4,331.06 : x
  2. Step 2: Convert to fraction form
    9,878.97/14,818.46 = 4,331.06/x
  3. Step 3: Cross multiply
    9,878.97x = 14,818.46 × 4,331.06
  4. Step 4: Simplify right side
    9,878.97x = 64,179,639.37
  5. Step 5: Solve for x
    x = 64,179,639.37/9,878.97
  6. Step 6: Final answer
    x = 6,496.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.