Home / 10,335.78-15,501.27-5,065.51

Finding the Fourth Proportional to 10,335.78, 15,501.27 and 5,065.51

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Solution

The fourth proportional to 10,335.78, 15,501.27 and 5,065.51 is: 7,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.78 : 15,501.27 = 5,065.51 : x
  2. Step 2: Convert to fraction form
    10,335.78/15,501.27 = 5,065.51/x
  3. Step 3: Cross multiply
    10,335.78x = 15,501.27 × 5,065.51
  4. Step 4: Simplify right side
    10,335.78x = 78,521,838.20
  5. Step 5: Solve for x
    x = 78,521,838.20/10,335.78
  6. Step 6: Final answer
    x = 7,597.09

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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.