Home / 11,123.09-15,349.86-6,087.31

Finding the Fourth Proportional to 11,123.09, 15,349.86 and 6,087.31

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Solution

The fourth proportional to 11,123.09, 15,349.86 and 6,087.31 is: 8,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.09 : 15,349.86 = 6,087.31 : x
  2. Step 2: Convert to fraction form
    11,123.09/15,349.86 = 6,087.31/x
  3. Step 3: Cross multiply
    11,123.09x = 15,349.86 × 6,087.31
  4. Step 4: Simplify right side
    11,123.09x = 93,439,317.90
  5. Step 5: Solve for x
    x = 93,439,317.90/11,123.09
  6. Step 6: Final answer
    x = 8,400.48

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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.