Home / 9,829.02-13,553.28-8,895.90

Finding the Fourth Proportional to 9,829.02, 13,553.28 and 8,895.90

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Solution

The fourth proportional to 9,829.02, 13,553.28 and 8,895.90 is: 12,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.02 : 13,553.28 = 8,895.90 : x
  2. Step 2: Convert to fraction form
    9,829.02/13,553.28 = 8,895.90/x
  3. Step 3: Cross multiply
    9,829.02x = 13,553.28 × 8,895.90
  4. Step 4: Simplify right side
    9,829.02x = 120,568,623.55
  5. Step 5: Solve for x
    x = 120,568,623.55/9,829.02
  6. Step 6: Final answer
    x = 12,266.60

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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.