Home / 10,862.19-16,313.34-6,506.40

Finding the Fourth Proportional to 10,862.19, 16,313.34 and 6,506.40

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Solution

The fourth proportional to 10,862.19, 16,313.34 and 6,506.40 is: 9,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.19 : 16,313.34 = 6,506.40 : x
  2. Step 2: Convert to fraction form
    10,862.19/16,313.34 = 6,506.40/x
  3. Step 3: Cross multiply
    10,862.19x = 16,313.34 × 6,506.40
  4. Step 4: Simplify right side
    10,862.19x = 106,141,115.38
  5. Step 5: Solve for x
    x = 106,141,115.38/10,862.19
  6. Step 6: Final answer
    x = 9,771.61

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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.