Home / 10,345.66-15,509.71-4,110.08

Finding the Fourth Proportional to 10,345.66, 15,509.71 and 4,110.08

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Solution

The fourth proportional to 10,345.66, 15,509.71 and 4,110.08 is: 6,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.66 : 15,509.71 = 4,110.08 : x
  2. Step 2: Convert to fraction form
    10,345.66/15,509.71 = 4,110.08/x
  3. Step 3: Cross multiply
    10,345.66x = 15,509.71 × 4,110.08
  4. Step 4: Simplify right side
    10,345.66x = 63,746,076.47
  5. Step 5: Solve for x
    x = 63,746,076.47/10,345.66
  6. Step 6: Final answer
    x = 6,161.63

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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.