Home / 28,306.98-42,460.41-7,530.48

Finding the Fourth Proportional to 28,306.98, 42,460.41 and 7,530.48

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Solution

The fourth proportional to 28,306.98, 42,460.41 and 7,530.48 is: 11,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.98 : 42,460.41 = 7,530.48 : x
  2. Step 2: Convert to fraction form
    28,306.98/42,460.41 = 7,530.48/x
  3. Step 3: Cross multiply
    28,306.98x = 42,460.41 × 7,530.48
  4. Step 4: Simplify right side
    28,306.98x = 319,747,268.30
  5. Step 5: Solve for x
    x = 319,747,268.30/28,306.98
  6. Step 6: Final answer
    x = 11,295.70

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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.