Home / 10,117.70-15,178.37-4,573.65

Finding the Fourth Proportional to 10,117.70, 15,178.37 and 4,573.65

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Solution

The fourth proportional to 10,117.70, 15,178.37 and 4,573.65 is: 6,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.70 : 15,178.37 = 4,573.65 : x
  2. Step 2: Convert to fraction form
    10,117.70/15,178.37 = 4,573.65/x
  3. Step 3: Cross multiply
    10,117.70x = 15,178.37 × 4,573.65
  4. Step 4: Simplify right side
    10,117.70x = 69,420,551.95
  5. Step 5: Solve for x
    x = 69,420,551.95/10,117.70
  6. Step 6: Final answer
    x = 6,861.30

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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.