Home / 10,165.47-14,028.60-5,689.19

Finding the Fourth Proportional to 10,165.47, 14,028.60 and 5,689.19

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Solution

The fourth proportional to 10,165.47, 14,028.60 and 5,689.19 is: 7,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.47 : 14,028.60 = 5,689.19 : x
  2. Step 2: Convert to fraction form
    10,165.47/14,028.60 = 5,689.19/x
  3. Step 3: Cross multiply
    10,165.47x = 14,028.60 × 5,689.19
  4. Step 4: Simplify right side
    10,165.47x = 79,811,370.83
  5. Step 5: Solve for x
    x = 79,811,370.83/10,165.47
  6. Step 6: Final answer
    x = 7,851.22

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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.