Home / 10,618.72-14,660.58-7,267.12

Finding the Fourth Proportional to 10,618.72, 14,660.58 and 7,267.12

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Solution

The fourth proportional to 10,618.72, 14,660.58 and 7,267.12 is: 10,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.72 : 14,660.58 = 7,267.12 : x
  2. Step 2: Convert to fraction form
    10,618.72/14,660.58 = 7,267.12/x
  3. Step 3: Cross multiply
    10,618.72x = 14,660.58 × 7,267.12
  4. Step 4: Simplify right side
    10,618.72x = 106,540,194.13
  5. Step 5: Solve for x
    x = 106,540,194.13/10,618.72
  6. Step 6: Final answer
    x = 10,033.24

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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.