Home / 9,819.81-13,546.71-5,838.66

Finding the Fourth Proportional to 9,819.81, 13,546.71 and 5,838.66

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Solution

The fourth proportional to 9,819.81, 13,546.71 and 5,838.66 is: 8,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.81 : 13,546.71 = 5,838.66 : x
  2. Step 2: Convert to fraction form
    9,819.81/13,546.71 = 5,838.66/x
  3. Step 3: Cross multiply
    9,819.81x = 13,546.71 × 5,838.66
  4. Step 4: Simplify right side
    9,819.81x = 79,094,633.81
  5. Step 5: Solve for x
    x = 79,094,633.81/9,819.81
  6. Step 6: Final answer
    x = 8,054.60

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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.