Home / 10,858.83-14,982.75-6,612.12

Finding the Fourth Proportional to 10,858.83, 14,982.75 and 6,612.12

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Solution

The fourth proportional to 10,858.83, 14,982.75 and 6,612.12 is: 9,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.83 : 14,982.75 = 6,612.12 : x
  2. Step 2: Convert to fraction form
    10,858.83/14,982.75 = 6,612.12/x
  3. Step 3: Cross multiply
    10,858.83x = 14,982.75 × 6,612.12
  4. Step 4: Simplify right side
    10,858.83x = 99,067,740.93
  5. Step 5: Solve for x
    x = 99,067,740.93/10,858.83
  6. Step 6: Final answer
    x = 9,123.24

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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.