Home / 7,983.58-11,020.73-5,685.46

Finding the Fourth Proportional to 7,983.58, 11,020.73 and 5,685.46

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Solution

The fourth proportional to 7,983.58, 11,020.73 and 5,685.46 is: 7,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.58 : 11,020.73 = 5,685.46 : x
  2. Step 2: Convert to fraction form
    7,983.58/11,020.73 = 5,685.46/x
  3. Step 3: Cross multiply
    7,983.58x = 11,020.73 × 5,685.46
  4. Step 4: Simplify right side
    7,983.58x = 62,657,919.59
  5. Step 5: Solve for x
    x = 62,657,919.59/7,983.58
  6. Step 6: Final answer
    x = 7,848.35

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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.