Home / 11,301.36-17,018.34-9,857.76

Finding the Fourth Proportional to 11,301.36, 17,018.34 and 9,857.76

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Solution

The fourth proportional to 11,301.36, 17,018.34 and 9,857.76 is: 14,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.36 : 17,018.34 = 9,857.76 : x
  2. Step 2: Convert to fraction form
    11,301.36/17,018.34 = 9,857.76/x
  3. Step 3: Cross multiply
    11,301.36x = 17,018.34 × 9,857.76
  4. Step 4: Simplify right side
    11,301.36x = 167,762,711.32
  5. Step 5: Solve for x
    x = 167,762,711.32/11,301.36
  6. Step 6: Final answer
    x = 14,844.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.