Home / 10,392.12-15,580.89-4,153.50

Finding the Fourth Proportional to 10,392.12, 15,580.89 and 4,153.50

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Solution

The fourth proportional to 10,392.12, 15,580.89 and 4,153.50 is: 6,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.12 : 15,580.89 = 4,153.50 : x
  2. Step 2: Convert to fraction form
    10,392.12/15,580.89 = 4,153.50/x
  3. Step 3: Cross multiply
    10,392.12x = 15,580.89 × 4,153.50
  4. Step 4: Simplify right side
    10,392.12x = 64,715,226.62
  5. Step 5: Solve for x
    x = 64,715,226.62/10,392.12
  6. Step 6: Final answer
    x = 6,227.34

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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.