Home / 11,812.04-16,300-6,506.74

Finding the Fourth Proportional to 11,812.04, 16,300 and 6,506.74

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Solution

The fourth proportional to 11,812.04, 16,300 and 6,506.74 is: 8,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.04 : 16,300 = 6,506.74 : x
  2. Step 2: Convert to fraction form
    11,812.04/16,300 = 6,506.74/x
  3. Step 3: Cross multiply
    11,812.04x = 16,300 × 6,506.74
  4. Step 4: Simplify right side
    11,812.04x = 106,059,862
  5. Step 5: Solve for x
    x = 106,059,862/11,812.04
  6. Step 6: Final answer
    x = 8,978.96

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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.