Home / 9,505.73-13,117.53-5,256.51

Finding the Fourth Proportional to 9,505.73, 13,117.53 and 5,256.51

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Solution

The fourth proportional to 9,505.73, 13,117.53 and 5,256.51 is: 7,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.73 : 13,117.53 = 5,256.51 : x
  2. Step 2: Convert to fraction form
    9,505.73/13,117.53 = 5,256.51/x
  3. Step 3: Cross multiply
    9,505.73x = 13,117.53 × 5,256.51
  4. Step 4: Simplify right side
    9,505.73x = 68,952,442.36
  5. Step 5: Solve for x
    x = 68,952,442.36/9,505.73
  6. Step 6: Final answer
    x = 7,253.78

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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.