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Finding the Fourth Proportional to 10,895.07, 15,039.79 and 7,363.07

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Solution

The fourth proportional to 10,895.07, 15,039.79 and 7,363.07 is: 10,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.07 : 15,039.79 = 7,363.07 : x
  2. Step 2: Convert to fraction form
    10,895.07/15,039.79 = 7,363.07/x
  3. Step 3: Cross multiply
    10,895.07x = 15,039.79 × 7,363.07
  4. Step 4: Simplify right side
    10,895.07x = 110,738,932.95
  5. Step 5: Solve for x
    x = 110,738,932.95/10,895.07
  6. Step 6: Final answer
    x = 10,164.13

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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.