Home / 10,111.78-13,945.53-6,573.70

Finding the Fourth Proportional to 10,111.78, 13,945.53 and 6,573.70

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Solution

The fourth proportional to 10,111.78, 13,945.53 and 6,573.70 is: 9,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.78 : 13,945.53 = 6,573.70 : x
  2. Step 2: Convert to fraction form
    10,111.78/13,945.53 = 6,573.70/x
  3. Step 3: Cross multiply
    10,111.78x = 13,945.53 × 6,573.70
  4. Step 4: Simplify right side
    10,111.78x = 91,673,730.56
  5. Step 5: Solve for x
    x = 91,673,730.56/10,111.78
  6. Step 6: Final answer
    x = 9,066.03

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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.