Home / 10,071.09-15,111.76-4,523.31

Finding the Fourth Proportional to 10,071.09, 15,111.76 and 4,523.31

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Solution

The fourth proportional to 10,071.09, 15,111.76 and 4,523.31 is: 6,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.09 : 15,111.76 = 4,523.31 : x
  2. Step 2: Convert to fraction form
    10,071.09/15,111.76 = 4,523.31/x
  3. Step 3: Cross multiply
    10,071.09x = 15,111.76 × 4,523.31
  4. Step 4: Simplify right side
    10,071.09x = 68,355,088.26
  5. Step 5: Solve for x
    x = 68,355,088.26/10,071.09
  6. Step 6: Final answer
    x = 6,787.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.