Home / 8,837.42-12,187.26-5,807.21

Finding the Fourth Proportional to 8,837.42, 12,187.26 and 5,807.21

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Solution

The fourth proportional to 8,837.42, 12,187.26 and 5,807.21 is: 8,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.42 : 12,187.26 = 5,807.21 : x
  2. Step 2: Convert to fraction form
    8,837.42/12,187.26 = 5,807.21/x
  3. Step 3: Cross multiply
    8,837.42x = 12,187.26 × 5,807.21
  4. Step 4: Simplify right side
    8,837.42x = 70,773,985.76
  5. Step 5: Solve for x
    x = 70,773,985.76/8,837.42
  6. Step 6: Final answer
    x = 8,008.44

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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.