Home / 7,822.34-11,718.02-4,851.36

Finding the Fourth Proportional to 7,822.34, 11,718.02 and 4,851.36

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Solution

The fourth proportional to 7,822.34, 11,718.02 and 4,851.36 is: 7,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.34 : 11,718.02 = 4,851.36 : x
  2. Step 2: Convert to fraction form
    7,822.34/11,718.02 = 4,851.36/x
  3. Step 3: Cross multiply
    7,822.34x = 11,718.02 × 4,851.36
  4. Step 4: Simplify right side
    7,822.34x = 56,848,333.51
  5. Step 5: Solve for x
    x = 56,848,333.51/7,822.34
  6. Step 6: Final answer
    x = 7,267.43

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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.