Home / 10,123.02-15,182.70-2,725.77

Finding the Fourth Proportional to 10,123.02, 15,182.70 and 2,725.77

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Solution

The fourth proportional to 10,123.02, 15,182.70 and 2,725.77 is: 4,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.02 : 15,182.70 = 2,725.77 : x
  2. Step 2: Convert to fraction form
    10,123.02/15,182.70 = 2,725.77/x
  3. Step 3: Cross multiply
    10,123.02x = 15,182.70 × 2,725.77
  4. Step 4: Simplify right side
    10,123.02x = 41,384,548.18
  5. Step 5: Solve for x
    x = 41,384,548.18/10,123.02
  6. Step 6: Final answer
    x = 4,088.16

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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.