Home / 10,383.36-15,569.06-7,100.43

Finding the Fourth Proportional to 10,383.36, 15,569.06 and 7,100.43

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Solution

The fourth proportional to 10,383.36, 15,569.06 and 7,100.43 is: 10,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.36 : 15,569.06 = 7,100.43 : x
  2. Step 2: Convert to fraction form
    10,383.36/15,569.06 = 7,100.43/x
  3. Step 3: Cross multiply
    10,383.36x = 15,569.06 × 7,100.43
  4. Step 4: Simplify right side
    10,383.36x = 110,546,985.19
  5. Step 5: Solve for x
    x = 110,546,985.19/10,383.36
  6. Step 6: Final answer
    x = 10,646.55

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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.