Home / 10,972.38-16,460.63-4,399.08

Finding the Fourth Proportional to 10,972.38, 16,460.63 and 4,399.08

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Solution

The fourth proportional to 10,972.38, 16,460.63 and 4,399.08 is: 6,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.38 : 16,460.63 = 4,399.08 : x
  2. Step 2: Convert to fraction form
    10,972.38/16,460.63 = 4,399.08/x
  3. Step 3: Cross multiply
    10,972.38x = 16,460.63 × 4,399.08
  4. Step 4: Simplify right side
    10,972.38x = 72,411,606.23
  5. Step 5: Solve for x
    x = 72,411,606.23/10,972.38
  6. Step 6: Final answer
    x = 6,599.44

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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.