Home / 10,477.64-15,715.98-3,082.34

Finding the Fourth Proportional to 10,477.64, 15,715.98 and 3,082.34

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Solution

The fourth proportional to 10,477.64, 15,715.98 and 3,082.34 is: 4,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.64 : 15,715.98 = 3,082.34 : x
  2. Step 2: Convert to fraction form
    10,477.64/15,715.98 = 3,082.34/x
  3. Step 3: Cross multiply
    10,477.64x = 15,715.98 × 3,082.34
  4. Step 4: Simplify right side
    10,477.64x = 48,441,915.21
  5. Step 5: Solve for x
    x = 48,441,915.21/10,477.64
  6. Step 6: Final answer
    x = 4,623.36

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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.