Home / 10,922.98-15,071.85-6,142.25

Finding the Fourth Proportional to 10,922.98, 15,071.85 and 6,142.25

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Solution

The fourth proportional to 10,922.98, 15,071.85 and 6,142.25 is: 8,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.98 : 15,071.85 = 6,142.25 : x
  2. Step 2: Convert to fraction form
    10,922.98/15,071.85 = 6,142.25/x
  3. Step 3: Cross multiply
    10,922.98x = 15,071.85 × 6,142.25
  4. Step 4: Simplify right side
    10,922.98x = 92,575,085.77
  5. Step 5: Solve for x
    x = 92,575,085.77/10,922.98
  6. Step 6: Final answer
    x = 8,475.26

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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.