Home / 8,386.61-12,583.50-2,840.54

Finding the Fourth Proportional to 8,386.61, 12,583.50 and 2,840.54

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Solution

The fourth proportional to 8,386.61, 12,583.50 and 2,840.54 is: 4,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.61 : 12,583.50 = 2,840.54 : x
  2. Step 2: Convert to fraction form
    8,386.61/12,583.50 = 2,840.54/x
  3. Step 3: Cross multiply
    8,386.61x = 12,583.50 × 2,840.54
  4. Step 4: Simplify right side
    8,386.61x = 35,743,872.17
  5. Step 5: Solve for x
    x = 35,743,872.17/8,386.61
  6. Step 6: Final answer
    x = 4,262.02

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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.