Home / 11,673.40-16,109.20-6,368.16

Finding the Fourth Proportional to 11,673.40, 16,109.20 and 6,368.16

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Solution

The fourth proportional to 11,673.40, 16,109.20 and 6,368.16 is: 8,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.40 : 16,109.20 = 6,368.16 : x
  2. Step 2: Convert to fraction form
    11,673.40/16,109.20 = 6,368.16/x
  3. Step 3: Cross multiply
    11,673.40x = 16,109.20 × 6,368.16
  4. Step 4: Simplify right side
    11,673.40x = 102,585,963.07
  5. Step 5: Solve for x
    x = 102,585,963.07/11,673.40
  6. Step 6: Final answer
    x = 8,788.01

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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.