Home / 28,060.98-42,077.40-9,334.42

Finding the Fourth Proportional to 28,060.98, 42,077.40 and 9,334.42

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Solution

The fourth proportional to 28,060.98, 42,077.40 and 9,334.42 is: 13,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.98 : 42,077.40 = 9,334.42 : x
  2. Step 2: Convert to fraction form
    28,060.98/42,077.40 = 9,334.42/x
  3. Step 3: Cross multiply
    28,060.98x = 42,077.40 × 9,334.42
  4. Step 4: Simplify right side
    28,060.98x = 392,768,124.11
  5. Step 5: Solve for x
    x = 392,768,124.11/28,060.98
  6. Step 6: Final answer
    x = 13,996.95

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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.