Home / 10,224.24-15,261.74-8,772.72

Finding the Fourth Proportional to 10,224.24, 15,261.74 and 8,772.72

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Solution

The fourth proportional to 10,224.24, 15,261.74 and 8,772.72 is: 13,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.24 : 15,261.74 = 8,772.72 : x
  2. Step 2: Convert to fraction form
    10,224.24/15,261.74 = 8,772.72/x
  3. Step 3: Cross multiply
    10,224.24x = 15,261.74 × 8,772.72
  4. Step 4: Simplify right side
    10,224.24x = 133,886,971.73
  5. Step 5: Solve for x
    x = 133,886,971.73/10,224.24
  6. Step 6: Final answer
    x = 13,095.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.