Home / 10,118.02-15,183.51-4,921.06

Finding the Fourth Proportional to 10,118.02, 15,183.51 and 4,921.06

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Solution

The fourth proportional to 10,118.02, 15,183.51 and 4,921.06 is: 7,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.02 : 15,183.51 = 4,921.06 : x
  2. Step 2: Convert to fraction form
    10,118.02/15,183.51 = 4,921.06/x
  3. Step 3: Cross multiply
    10,118.02x = 15,183.51 × 4,921.06
  4. Step 4: Simplify right side
    10,118.02x = 74,718,963.72
  5. Step 5: Solve for x
    x = 74,718,963.72/10,118.02
  6. Step 6: Final answer
    x = 7,384.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.