Home / 10,254.36-14,148.09-5,776.55

Finding the Fourth Proportional to 10,254.36, 14,148.09 and 5,776.55

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Solution

The fourth proportional to 10,254.36, 14,148.09 and 5,776.55 is: 7,969.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.36 : 14,148.09 = 5,776.55 : x
  2. Step 2: Convert to fraction form
    10,254.36/14,148.09 = 5,776.55/x
  3. Step 3: Cross multiply
    10,254.36x = 14,148.09 × 5,776.55
  4. Step 4: Simplify right side
    10,254.36x = 81,727,149.29
  5. Step 5: Solve for x
    x = 81,727,149.29/10,254.36
  6. Step 6: Final answer
    x = 7,969.99

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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.