Home / 12,259.53-16,918.23-6,670.57

Finding the Fourth Proportional to 12,259.53, 16,918.23 and 6,670.57

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Solution

The fourth proportional to 12,259.53, 16,918.23 and 6,670.57 is: 9,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.53 : 16,918.23 = 6,670.57 : x
  2. Step 2: Convert to fraction form
    12,259.53/16,918.23 = 6,670.57/x
  3. Step 3: Cross multiply
    12,259.53x = 16,918.23 × 6,670.57
  4. Step 4: Simplify right side
    12,259.53x = 112,854,204.14
  5. Step 5: Solve for x
    x = 112,854,204.14/12,259.53
  6. Step 6: Final answer
    x = 9,205.43

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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.