Home / 12,545.36-18,830.20-6,706.08

Finding the Fourth Proportional to 12,545.36, 18,830.20 and 6,706.08

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Solution

The fourth proportional to 12,545.36, 18,830.20 and 6,706.08 is: 10,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.36 : 18,830.20 = 6,706.08 : x
  2. Step 2: Convert to fraction form
    12,545.36/18,830.20 = 6,706.08/x
  3. Step 3: Cross multiply
    12,545.36x = 18,830.20 × 6,706.08
  4. Step 4: Simplify right side
    12,545.36x = 126,276,827.62
  5. Step 5: Solve for x
    x = 126,276,827.62/12,545.36
  6. Step 6: Final answer
    x = 10,065.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.