Home / 10,958.16-16,424.19-6,281.40

Finding the Fourth Proportional to 10,958.16, 16,424.19 and 6,281.40

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Solution

The fourth proportional to 10,958.16, 16,424.19 and 6,281.40 is: 9,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.16 : 16,424.19 = 6,281.40 : x
  2. Step 2: Convert to fraction form
    10,958.16/16,424.19 = 6,281.40/x
  3. Step 3: Cross multiply
    10,958.16x = 16,424.19 × 6,281.40
  4. Step 4: Simplify right side
    10,958.16x = 103,166,907.07
  5. Step 5: Solve for x
    x = 103,166,907.07/10,958.16
  6. Step 6: Final answer
    x = 9,414.62

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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.