Home / 28,362.13-42,539.97-7,587.25

Finding the Fourth Proportional to 28,362.13, 42,539.97 and 7,587.25

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Solution

The fourth proportional to 28,362.13, 42,539.97 and 7,587.25 is: 11,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.13 : 42,539.97 = 7,587.25 : x
  2. Step 2: Convert to fraction form
    28,362.13/42,539.97 = 7,587.25/x
  3. Step 3: Cross multiply
    28,362.13x = 42,539.97 × 7,587.25
  4. Step 4: Simplify right side
    28,362.13x = 322,761,387.38
  5. Step 5: Solve for x
    x = 322,761,387.38/28,362.13
  6. Step 6: Final answer
    x = 11,380.01

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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.