Home / 7,427.16-11,141.28-2,497.32

Finding the Fourth Proportional to 7,427.16, 11,141.28 and 2,497.32

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Solution

The fourth proportional to 7,427.16, 11,141.28 and 2,497.32 is: 3,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.16 : 11,141.28 = 2,497.32 : x
  2. Step 2: Convert to fraction form
    7,427.16/11,141.28 = 2,497.32/x
  3. Step 3: Cross multiply
    7,427.16x = 11,141.28 × 2,497.32
  4. Step 4: Simplify right side
    7,427.16x = 27,823,341.37
  5. Step 5: Solve for x
    x = 27,823,341.37/7,427.16
  6. Step 6: Final answer
    x = 3,746.16

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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.