Home / 28,863.01-43,295.73-9,141.13

Finding the Fourth Proportional to 28,863.01, 43,295.73 and 9,141.13

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Solution

The fourth proportional to 28,863.01, 43,295.73 and 9,141.13 is: 13,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.01 : 43,295.73 = 9,141.13 : x
  2. Step 2: Convert to fraction form
    28,863.01/43,295.73 = 9,141.13/x
  3. Step 3: Cross multiply
    28,863.01x = 43,295.73 × 9,141.13
  4. Step 4: Simplify right side
    28,863.01x = 395,771,807.30
  5. Step 5: Solve for x
    x = 395,771,807.30/28,863.01
  6. Step 6: Final answer
    x = 13,712.08

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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.