Home / 11,782.19-16,258.63-6,476.75

Finding the Fourth Proportional to 11,782.19, 16,258.63 and 6,476.75

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Solution

The fourth proportional to 11,782.19, 16,258.63 and 6,476.75 is: 8,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.19 : 16,258.63 = 6,476.75 : x
  2. Step 2: Convert to fraction form
    11,782.19/16,258.63 = 6,476.75/x
  3. Step 3: Cross multiply
    11,782.19x = 16,258.63 × 6,476.75
  4. Step 4: Simplify right side
    11,782.19x = 105,303,081.85
  5. Step 5: Solve for x
    x = 105,303,081.85/11,782.19
  6. Step 6: Final answer
    x = 8,937.48

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Half scale
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Double scale
Find fourth proportional to 11,783.19, 16,260.01 and 6,477.75
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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.