Home / 8,840.68-12,199.62-5,064.46

Finding the Fourth Proportional to 8,840.68, 12,199.62 and 5,064.46

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Solution

The fourth proportional to 8,840.68, 12,199.62 and 5,064.46 is: 6,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.68 : 12,199.62 = 5,064.46 : x
  2. Step 2: Convert to fraction form
    8,840.68/12,199.62 = 5,064.46/x
  3. Step 3: Cross multiply
    8,840.68x = 12,199.62 × 5,064.46
  4. Step 4: Simplify right side
    8,840.68x = 61,784,487.51
  5. Step 5: Solve for x
    x = 61,784,487.51/8,840.68
  6. Step 6: Final answer
    x = 6,988.66

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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.