Home / 9,236.10-12,726.81-7,133.70

Finding the Fourth Proportional to 9,236.10, 12,726.81 and 7,133.70

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Solution

The fourth proportional to 9,236.10, 12,726.81 and 7,133.70 is: 9,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.10 : 12,726.81 = 7,133.70 : x
  2. Step 2: Convert to fraction form
    9,236.10/12,726.81 = 7,133.70/x
  3. Step 3: Cross multiply
    9,236.10x = 12,726.81 × 7,133.70
  4. Step 4: Simplify right side
    9,236.10x = 90,789,244.50
  5. Step 5: Solve for x
    x = 90,789,244.50/9,236.10
  6. Step 6: Final answer
    x = 9,829.82

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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.