Home / 11,405.05-17,100.26-4,746.16

Finding the Fourth Proportional to 11,405.05, 17,100.26 and 4,746.16

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Solution

The fourth proportional to 11,405.05, 17,100.26 and 4,746.16 is: 7,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.05 : 17,100.26 = 4,746.16 : x
  2. Step 2: Convert to fraction form
    11,405.05/17,100.26 = 4,746.16/x
  3. Step 3: Cross multiply
    11,405.05x = 17,100.26 × 4,746.16
  4. Step 4: Simplify right side
    11,405.05x = 81,160,612.14
  5. Step 5: Solve for x
    x = 81,160,612.14/11,405.05
  6. Step 6: Final answer
    x = 7,116.20

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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.