Home / 10,113.93-15,176.34-9,745.74

Finding the Fourth Proportional to 10,113.93, 15,176.34 and 9,745.74

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Solution

The fourth proportional to 10,113.93, 15,176.34 and 9,745.74 is: 14,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.93 : 15,176.34 = 9,745.74 : x
  2. Step 2: Convert to fraction form
    10,113.93/15,176.34 = 9,745.74/x
  3. Step 3: Cross multiply
    10,113.93x = 15,176.34 × 9,745.74
  4. Step 4: Simplify right side
    10,113.93x = 147,904,663.79
  5. Step 5: Solve for x
    x = 147,904,663.79/10,113.93
  6. Step 6: Final answer
    x = 14,623.86

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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.