Home / 9,930.35-13,705.07-5,953.66

Finding the Fourth Proportional to 9,930.35, 13,705.07 and 5,953.66

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Solution

The fourth proportional to 9,930.35, 13,705.07 and 5,953.66 is: 8,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.35 : 13,705.07 = 5,953.66 : x
  2. Step 2: Convert to fraction form
    9,930.35/13,705.07 = 5,953.66/x
  3. Step 3: Cross multiply
    9,930.35x = 13,705.07 × 5,953.66
  4. Step 4: Simplify right side
    9,930.35x = 81,595,263.03
  5. Step 5: Solve for x
    x = 81,595,263.03/9,930.35
  6. Step 6: Final answer
    x = 8,216.75

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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.