Home / 8,706.29-12,014.73-4,727.57

Finding the Fourth Proportional to 8,706.29, 12,014.73 and 4,727.57

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Solution

The fourth proportional to 8,706.29, 12,014.73 and 4,727.57 is: 6,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.29 : 12,014.73 = 4,727.57 : x
  2. Step 2: Convert to fraction form
    8,706.29/12,014.73 = 4,727.57/x
  3. Step 3: Cross multiply
    8,706.29x = 12,014.73 × 4,727.57
  4. Step 4: Simplify right side
    8,706.29x = 56,800,417.03
  5. Step 5: Solve for x
    x = 56,800,417.03/8,706.29
  6. Step 6: Final answer
    x = 6,524.07

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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.