Home / 8,962.88-12,369.06-4,984.16

Finding the Fourth Proportional to 8,962.88, 12,369.06 and 4,984.16

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Solution

The fourth proportional to 8,962.88, 12,369.06 and 4,984.16 is: 6,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.88 : 12,369.06 = 4,984.16 : x
  2. Step 2: Convert to fraction form
    8,962.88/12,369.06 = 4,984.16/x
  3. Step 3: Cross multiply
    8,962.88x = 12,369.06 × 4,984.16
  4. Step 4: Simplify right side
    8,962.88x = 61,649,374.09
  5. Step 5: Solve for x
    x = 61,649,374.09/8,962.88
  6. Step 6: Final answer
    x = 6,878.30

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1.5x scale

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.