Home / 11,334.15-15,630.39-9,448.05

Finding the Fourth Proportional to 11,334.15, 15,630.39 and 9,448.05

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Solution

The fourth proportional to 11,334.15, 15,630.39 and 9,448.05 is: 13,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.15 : 15,630.39 = 9,448.05 : x
  2. Step 2: Convert to fraction form
    11,334.15/15,630.39 = 9,448.05/x
  3. Step 3: Cross multiply
    11,334.15x = 15,630.39 × 9,448.05
  4. Step 4: Simplify right side
    11,334.15x = 147,676,706.24
  5. Step 5: Solve for x
    x = 147,676,706.24/11,334.15
  6. Step 6: Final answer
    x = 13,029.36

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Half scale
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Double scale
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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.