Home / 8,723.96-12,036.12-4,946.72

Finding the Fourth Proportional to 8,723.96, 12,036.12 and 4,946.72

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Solution

The fourth proportional to 8,723.96, 12,036.12 and 4,946.72 is: 6,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.96 : 12,036.12 = 4,946.72 : x
  2. Step 2: Convert to fraction form
    8,723.96/12,036.12 = 4,946.72/x
  3. Step 3: Cross multiply
    8,723.96x = 12,036.12 × 4,946.72
  4. Step 4: Simplify right side
    8,723.96x = 59,539,315.53
  5. Step 5: Solve for x
    x = 59,539,315.53/8,723.96
  6. Step 6: Final answer
    x = 6,824.80

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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.