Home / 10,631.05-14,675.38-6,651.32

Finding the Fourth Proportional to 10,631.05, 14,675.38 and 6,651.32

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Solution

The fourth proportional to 10,631.05, 14,675.38 and 6,651.32 is: 9,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.05 : 14,675.38 = 6,651.32 : x
  2. Step 2: Convert to fraction form
    10,631.05/14,675.38 = 6,651.32/x
  3. Step 3: Cross multiply
    10,631.05x = 14,675.38 × 6,651.32
  4. Step 4: Simplify right side
    10,631.05x = 97,610,558.50
  5. Step 5: Solve for x
    x = 97,610,558.50/10,631.05
  6. Step 6: Final answer
    x = 9,181.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.