Home / 9,518.94-13,136.13-5,542.74

Finding the Fourth Proportional to 9,518.94, 13,136.13 and 5,542.74

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Solution

The fourth proportional to 9,518.94, 13,136.13 and 5,542.74 is: 7,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.94 : 13,136.13 = 5,542.74 : x
  2. Step 2: Convert to fraction form
    9,518.94/13,136.13 = 5,542.74/x
  3. Step 3: Cross multiply
    9,518.94x = 13,136.13 × 5,542.74
  4. Step 4: Simplify right side
    9,518.94x = 72,810,153.20
  5. Step 5: Solve for x
    x = 72,810,153.20/9,518.94
  6. Step 6: Final answer
    x = 7,648.98

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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.