Home / 10,166.05-14,028.64-5,689.81

Finding the Fourth Proportional to 10,166.05, 14,028.64 and 5,689.81

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Solution

The fourth proportional to 10,166.05, 14,028.64 and 5,689.81 is: 7,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.05 : 14,028.64 = 5,689.81 : x
  2. Step 2: Convert to fraction form
    10,166.05/14,028.64 = 5,689.81/x
  3. Step 3: Cross multiply
    10,166.05x = 14,028.64 × 5,689.81
  4. Step 4: Simplify right side
    10,166.05x = 79,820,296.16
  5. Step 5: Solve for x
    x = 79,820,296.16/10,166.05
  6. Step 6: Final answer
    x = 7,851.65

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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.