Home / 10,935.36-15,092.28-6,220.08

Finding the Fourth Proportional to 10,935.36, 15,092.28 and 6,220.08

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Solution

The fourth proportional to 10,935.36, 15,092.28 and 6,220.08 is: 8,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.36 : 15,092.28 = 6,220.08 : x
  2. Step 2: Convert to fraction form
    10,935.36/15,092.28 = 6,220.08/x
  3. Step 3: Cross multiply
    10,935.36x = 15,092.28 × 6,220.08
  4. Step 4: Simplify right side
    10,935.36x = 93,875,188.98
  5. Step 5: Solve for x
    x = 93,875,188.98/10,935.36
  6. Step 6: Final answer
    x = 8,584.55

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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.