Home / 12,356.24-17,038.80-8,583.66

Finding the Fourth Proportional to 12,356.24, 17,038.80 and 8,583.66

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Solution

The fourth proportional to 12,356.24, 17,038.80 and 8,583.66 is: 11,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.24 : 17,038.80 = 8,583.66 : x
  2. Step 2: Convert to fraction form
    12,356.24/17,038.80 = 8,583.66/x
  3. Step 3: Cross multiply
    12,356.24x = 17,038.80 × 8,583.66
  4. Step 4: Simplify right side
    12,356.24x = 146,255,266.01
  5. Step 5: Solve for x
    x = 146,255,266.01/12,356.24
  6. Step 6: Final answer
    x = 11,836.56

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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.