Home / 10,417.64-15,623.16-3,490.52

Finding the Fourth Proportional to 10,417.64, 15,623.16 and 3,490.52

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Solution

The fourth proportional to 10,417.64, 15,623.16 and 3,490.52 is: 5,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.64 : 15,623.16 = 3,490.52 : x
  2. Step 2: Convert to fraction form
    10,417.64/15,623.16 = 3,490.52/x
  3. Step 3: Cross multiply
    10,417.64x = 15,623.16 × 3,490.52
  4. Step 4: Simplify right side
    10,417.64x = 54,532,952.44
  5. Step 5: Solve for x
    x = 54,532,952.44/10,417.64
  6. Step 6: Final answer
    x = 5,234.67

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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.