Home / 10,166.66-14,028.81-5,690.66

Finding the Fourth Proportional to 10,166.66, 14,028.81 and 5,690.66

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Solution

The fourth proportional to 10,166.66, 14,028.81 and 5,690.66 is: 7,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.66 : 14,028.81 = 5,690.66 : x
  2. Step 2: Convert to fraction form
    10,166.66/14,028.81 = 5,690.66/x
  3. Step 3: Cross multiply
    10,166.66x = 14,028.81 × 5,690.66
  4. Step 4: Simplify right side
    10,166.66x = 79,833,187.91
  5. Step 5: Solve for x
    x = 79,833,187.91/10,166.66
  6. Step 6: Final answer
    x = 7,852.45

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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.