Home / 11,117.91-15,336.97-7,533.06

Finding the Fourth Proportional to 11,117.91, 15,336.97 and 7,533.06

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Solution

The fourth proportional to 11,117.91, 15,336.97 and 7,533.06 is: 10,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.91 : 15,336.97 = 7,533.06 : x
  2. Step 2: Convert to fraction form
    11,117.91/15,336.97 = 7,533.06/x
  3. Step 3: Cross multiply
    11,117.91x = 15,336.97 × 7,533.06
  4. Step 4: Simplify right side
    11,117.91x = 115,534,315.23
  5. Step 5: Solve for x
    x = 115,534,315.23/11,117.91
  6. Step 6: Final answer
    x = 10,391.73

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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.