Home / 9,707.45-14,524.93-8,130.79

Finding the Fourth Proportional to 9,707.45, 14,524.93 and 8,130.79

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Solution

The fourth proportional to 9,707.45, 14,524.93 and 8,130.79 is: 12,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.45 : 14,524.93 = 8,130.79 : x
  2. Step 2: Convert to fraction form
    9,707.45/14,524.93 = 8,130.79/x
  3. Step 3: Cross multiply
    9,707.45x = 14,524.93 × 8,130.79
  4. Step 4: Simplify right side
    9,707.45x = 118,099,098.96
  5. Step 5: Solve for x
    x = 118,099,098.96/9,707.45
  6. Step 6: Final answer
    x = 12,165.82

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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.