Home / 7,111.16-10,652.40-3,596.28

Finding the Fourth Proportional to 7,111.16, 10,652.40 and 3,596.28

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Solution

The fourth proportional to 7,111.16, 10,652.40 and 3,596.28 is: 5,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.16 : 10,652.40 = 3,596.28 : x
  2. Step 2: Convert to fraction form
    7,111.16/10,652.40 = 3,596.28/x
  3. Step 3: Cross multiply
    7,111.16x = 10,652.40 × 3,596.28
  4. Step 4: Simplify right side
    7,111.16x = 38,309,013.07
  5. Step 5: Solve for x
    x = 38,309,013.07/7,111.16
  6. Step 6: Final answer
    x = 5,387.17

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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.