Home / 10,509.18-14,500.09-6,923.74

Finding the Fourth Proportional to 10,509.18, 14,500.09 and 6,923.74

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Solution

The fourth proportional to 10,509.18, 14,500.09 and 6,923.74 is: 9,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.18 : 14,500.09 = 6,923.74 : x
  2. Step 2: Convert to fraction form
    10,509.18/14,500.09 = 6,923.74/x
  3. Step 3: Cross multiply
    10,509.18x = 14,500.09 × 6,923.74
  4. Step 4: Simplify right side
    10,509.18x = 100,394,853.14
  5. Step 5: Solve for x
    x = 100,394,853.14/10,509.18
  6. Step 6: Final answer
    x = 9,553.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.