Home / 10,165.51-14,028.48-5,689.68

Finding the Fourth Proportional to 10,165.51, 14,028.48 and 5,689.68

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Solution

The fourth proportional to 10,165.51, 14,028.48 and 5,689.68 is: 7,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.51 : 14,028.48 = 5,689.68 : x
  2. Step 2: Convert to fraction form
    10,165.51/14,028.48 = 5,689.68/x
  3. Step 3: Cross multiply
    10,165.51x = 14,028.48 × 5,689.68
  4. Step 4: Simplify right side
    10,165.51x = 79,817,562.09
  5. Step 5: Solve for x
    x = 79,817,562.09/10,165.51
  6. Step 6: Final answer
    x = 7,851.80

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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.