Home / 9,051.77-12,488.22-7,163.66

Finding the Fourth Proportional to 9,051.77, 12,488.22 and 7,163.66

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Solution

The fourth proportional to 9,051.77, 12,488.22 and 7,163.66 is: 9,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.77 : 12,488.22 = 7,163.66 : x
  2. Step 2: Convert to fraction form
    9,051.77/12,488.22 = 7,163.66/x
  3. Step 3: Cross multiply
    9,051.77x = 12,488.22 × 7,163.66
  4. Step 4: Simplify right side
    9,051.77x = 89,461,299.64
  5. Step 5: Solve for x
    x = 89,461,299.64/9,051.77
  6. Step 6: Final answer
    x = 9,883.30

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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.