Home / 11,812.29-16,300.33-6,506.11

Finding the Fourth Proportional to 11,812.29, 16,300.33 and 6,506.11

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Solution

The fourth proportional to 11,812.29, 16,300.33 and 6,506.11 is: 8,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.29 : 16,300.33 = 6,506.11 : x
  2. Step 2: Convert to fraction form
    11,812.29/16,300.33 = 6,506.11/x
  3. Step 3: Cross multiply
    11,812.29x = 16,300.33 × 6,506.11
  4. Step 4: Simplify right side
    11,812.29x = 106,051,740.02
  5. Step 5: Solve for x
    x = 106,051,740.02/11,812.29
  6. Step 6: Final answer
    x = 8,978.08

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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.