Home / 8,966.84-12,374.28-4,988

Finding the Fourth Proportional to 8,966.84, 12,374.28 and 4,988

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Solution

The fourth proportional to 8,966.84, 12,374.28 and 4,988 is: 6,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.84 : 12,374.28 = 4,988 : x
  2. Step 2: Convert to fraction form
    8,966.84/12,374.28 = 4,988/x
  3. Step 3: Cross multiply
    8,966.84x = 12,374.28 × 4,988
  4. Step 4: Simplify right side
    8,966.84x = 61,722,908.64
  5. Step 5: Solve for x
    x = 61,722,908.64/8,966.84
  6. Step 6: Final answer
    x = 6,883.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.