Home / 9,021.08-13,466.53-8,616.76

Finding the Fourth Proportional to 9,021.08, 13,466.53 and 8,616.76

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Solution

The fourth proportional to 9,021.08, 13,466.53 and 8,616.76 is: 12,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.08 : 13,466.53 = 8,616.76 : x
  2. Step 2: Convert to fraction form
    9,021.08/13,466.53 = 8,616.76/x
  3. Step 3: Cross multiply
    9,021.08x = 13,466.53 × 8,616.76
  4. Step 4: Simplify right side
    9,021.08x = 116,037,857.04
  5. Step 5: Solve for x
    x = 116,037,857.04/9,021.08
  6. Step 6: Final answer
    x = 12,862.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.