Home / 12,386.68-18,580.64-4,063.33

Finding the Fourth Proportional to 12,386.68, 18,580.64 and 4,063.33

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Solution

The fourth proportional to 12,386.68, 18,580.64 and 4,063.33 is: 6,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.68 : 18,580.64 = 4,063.33 : x
  2. Step 2: Convert to fraction form
    12,386.68/18,580.64 = 4,063.33/x
  3. Step 3: Cross multiply
    12,386.68x = 18,580.64 × 4,063.33
  4. Step 4: Simplify right side
    12,386.68x = 75,499,271.93
  5. Step 5: Solve for x
    x = 75,499,271.93/12,386.68
  6. Step 6: Final answer
    x = 6,095.20

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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.