Home / 7,343.32-11,005.26-5,386.36

Finding the Fourth Proportional to 7,343.32, 11,005.26 and 5,386.36

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Solution

The fourth proportional to 7,343.32, 11,005.26 and 5,386.36 is: 8,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.32 : 11,005.26 = 5,386.36 : x
  2. Step 2: Convert to fraction form
    7,343.32/11,005.26 = 5,386.36/x
  3. Step 3: Cross multiply
    7,343.32x = 11,005.26 × 5,386.36
  4. Step 4: Simplify right side
    7,343.32x = 59,278,292.25
  5. Step 5: Solve for x
    x = 59,278,292.25/7,343.32
  6. Step 6: Final answer
    x = 8,072.41

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1.5x scale

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.