Home / 10,909.84-16,369.62-5,714.50

Finding the Fourth Proportional to 10,909.84, 16,369.62 and 5,714.50

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Solution

The fourth proportional to 10,909.84, 16,369.62 and 5,714.50 is: 8,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.84 : 16,369.62 = 5,714.50 : x
  2. Step 2: Convert to fraction form
    10,909.84/16,369.62 = 5,714.50/x
  3. Step 3: Cross multiply
    10,909.84x = 16,369.62 × 5,714.50
  4. Step 4: Simplify right side
    10,909.84x = 93,544,193.49
  5. Step 5: Solve for x
    x = 93,544,193.49/10,909.84
  6. Step 6: Final answer
    x = 8,574.30

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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.