Home / 8,840.61-12,199.77-4,861.71

Finding the Fourth Proportional to 8,840.61, 12,199.77 and 4,861.71

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Solution

The fourth proportional to 8,840.61, 12,199.77 and 4,861.71 is: 6,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.61 : 12,199.77 = 4,861.71 : x
  2. Step 2: Convert to fraction form
    8,840.61/12,199.77 = 4,861.71/x
  3. Step 3: Cross multiply
    8,840.61x = 12,199.77 × 4,861.71
  4. Step 4: Simplify right side
    8,840.61x = 59,311,743.81
  5. Step 5: Solve for x
    x = 59,311,743.81/8,840.61
  6. Step 6: Final answer
    x = 6,709.01

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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.