Home / 10,455.77-14,428.97-5,675.71

Finding the Fourth Proportional to 10,455.77, 14,428.97 and 5,675.71

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Solution

The fourth proportional to 10,455.77, 14,428.97 and 5,675.71 is: 7,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.77 : 14,428.97 = 5,675.71 : x
  2. Step 2: Convert to fraction form
    10,455.77/14,428.97 = 5,675.71/x
  3. Step 3: Cross multiply
    10,455.77x = 14,428.97 × 5,675.71
  4. Step 4: Simplify right side
    10,455.77x = 81,894,548.80
  5. Step 5: Solve for x
    x = 81,894,548.80/10,455.77
  6. Step 6: Final answer
    x = 7,832.48

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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.