Home / 11,394.08-17,095.80-5,152.40

Finding the Fourth Proportional to 11,394.08, 17,095.80 and 5,152.40

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Solution

The fourth proportional to 11,394.08, 17,095.80 and 5,152.40 is: 7,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.08 : 17,095.80 = 5,152.40 : x
  2. Step 2: Convert to fraction form
    11,394.08/17,095.80 = 5,152.40/x
  3. Step 3: Cross multiply
    11,394.08x = 17,095.80 × 5,152.40
  4. Step 4: Simplify right side
    11,394.08x = 88,084,399.92
  5. Step 5: Solve for x
    x = 88,084,399.92/11,394.08
  6. Step 6: Final answer
    x = 7,730.72

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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.