Home / 8,744.61-12,066.18-4,915.49

Finding the Fourth Proportional to 8,744.61, 12,066.18 and 4,915.49

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Solution

The fourth proportional to 8,744.61, 12,066.18 and 4,915.49 is: 6,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.61 : 12,066.18 = 4,915.49 : x
  2. Step 2: Convert to fraction form
    8,744.61/12,066.18 = 4,915.49/x
  3. Step 3: Cross multiply
    8,744.61x = 12,066.18 × 4,915.49
  4. Step 4: Simplify right side
    8,744.61x = 59,311,187.13
  5. Step 5: Solve for x
    x = 59,311,187.13/8,744.61
  6. Step 6: Final answer
    x = 6,782.60

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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.