Home / 8,813.16-12,162.02-5,087.08

Finding the Fourth Proportional to 8,813.16, 12,162.02 and 5,087.08

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Solution

The fourth proportional to 8,813.16, 12,162.02 and 5,087.08 is: 7,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.16 : 12,162.02 = 5,087.08 : x
  2. Step 2: Convert to fraction form
    8,813.16/12,162.02 = 5,087.08/x
  3. Step 3: Cross multiply
    8,813.16x = 12,162.02 × 5,087.08
  4. Step 4: Simplify right side
    8,813.16x = 61,869,168.70
  5. Step 5: Solve for x
    x = 61,869,168.70/8,813.16
  6. Step 6: Final answer
    x = 7,020.09

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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.