Home / 10,830.51-14,943.42-6,114.69

Finding the Fourth Proportional to 10,830.51, 14,943.42 and 6,114.69

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Solution

The fourth proportional to 10,830.51, 14,943.42 and 6,114.69 is: 8,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.51 : 14,943.42 = 6,114.69 : x
  2. Step 2: Convert to fraction form
    10,830.51/14,943.42 = 6,114.69/x
  3. Step 3: Cross multiply
    10,830.51x = 14,943.42 × 6,114.69
  4. Step 4: Simplify right side
    10,830.51x = 91,374,380.84
  5. Step 5: Solve for x
    x = 91,374,380.84/10,830.51
  6. Step 6: Final answer
    x = 8,436.76

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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.