Home / 9,069.77-12,513.07-5,927.78

Finding the Fourth Proportional to 9,069.77, 12,513.07 and 5,927.78

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Solution

The fourth proportional to 9,069.77, 12,513.07 and 5,927.78 is: 8,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.77 : 12,513.07 = 5,927.78 : x
  2. Step 2: Convert to fraction form
    9,069.77/12,513.07 = 5,927.78/x
  3. Step 3: Cross multiply
    9,069.77x = 12,513.07 × 5,927.78
  4. Step 4: Simplify right side
    9,069.77x = 74,174,726.08
  5. Step 5: Solve for x
    x = 74,174,726.08/9,069.77
  6. Step 6: Final answer
    x = 8,178.24

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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.