Home / 8,145.93-12,222.65-5,650.93

Finding the Fourth Proportional to 8,145.93, 12,222.65 and 5,650.93

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Solution

The fourth proportional to 8,145.93, 12,222.65 and 5,650.93 is: 8,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.93 : 12,222.65 = 5,650.93 : x
  2. Step 2: Convert to fraction form
    8,145.93/12,222.65 = 5,650.93/x
  3. Step 3: Cross multiply
    8,145.93x = 12,222.65 × 5,650.93
  4. Step 4: Simplify right side
    8,145.93x = 69,069,337.18
  5. Step 5: Solve for x
    x = 69,069,337.18/8,145.93
  6. Step 6: Final answer
    x = 8,479.00

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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.