Home / 8,695.86-13,041.06-2,851.14

Finding the Fourth Proportional to 8,695.86, 13,041.06 and 2,851.14

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Solution

The fourth proportional to 8,695.86, 13,041.06 and 2,851.14 is: 4,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.86 : 13,041.06 = 2,851.14 : x
  2. Step 2: Convert to fraction form
    8,695.86/13,041.06 = 2,851.14/x
  3. Step 3: Cross multiply
    8,695.86x = 13,041.06 × 2,851.14
  4. Step 4: Simplify right side
    8,695.86x = 37,181,887.81
  5. Step 5: Solve for x
    x = 37,181,887.81/8,695.86
  6. Step 6: Final answer
    x = 4,275.81

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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.