Home / 10,156.10-15,234.15-7,369.70

Finding the Fourth Proportional to 10,156.10, 15,234.15 and 7,369.70

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Solution

The fourth proportional to 10,156.10, 15,234.15 and 7,369.70 is: 11,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.10 : 15,234.15 = 7,369.70 : x
  2. Step 2: Convert to fraction form
    10,156.10/15,234.15 = 7,369.70/x
  3. Step 3: Cross multiply
    10,156.10x = 15,234.15 × 7,369.70
  4. Step 4: Simplify right side
    10,156.10x = 112,271,115.26
  5. Step 5: Solve for x
    x = 112,271,115.26/10,156.10
  6. Step 6: Final answer
    x = 11,054.55

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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.