Home / 6,709.82-10,015.65-6,221.93

Finding the Fourth Proportional to 6,709.82, 10,015.65 and 6,221.93

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Solution

The fourth proportional to 6,709.82, 10,015.65 and 6,221.93 is: 9,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709.82 : 10,015.65 = 6,221.93 : x
  2. Step 2: Convert to fraction form
    6,709.82/10,015.65 = 6,221.93/x
  3. Step 3: Cross multiply
    6,709.82x = 10,015.65 × 6,221.93
  4. Step 4: Simplify right side
    6,709.82x = 62,316,623.13
  5. Step 5: Solve for x
    x = 62,316,623.13/6,709.82
  6. Step 6: Final answer
    x = 9,287.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.