Home / 11,812.02-16,300.60-6,506.84

Finding the Fourth Proportional to 11,812.02, 16,300.60 and 6,506.84

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Solution

The fourth proportional to 11,812.02, 16,300.60 and 6,506.84 is: 8,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.02 : 16,300.60 = 6,506.84 : x
  2. Step 2: Convert to fraction form
    11,812.02/16,300.60 = 6,506.84/x
  3. Step 3: Cross multiply
    11,812.02x = 16,300.60 × 6,506.84
  4. Step 4: Simplify right side
    11,812.02x = 106,065,396.10
  5. Step 5: Solve for x
    x = 106,065,396.10/11,812.02
  6. Step 6: Final answer
    x = 8,979.45

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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.