Home / 11,005.08-16,507.90-9,435.30

Finding the Fourth Proportional to 11,005.08, 16,507.90 and 9,435.30

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Solution

The fourth proportional to 11,005.08, 16,507.90 and 9,435.30 is: 14,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.08 : 16,507.90 = 9,435.30 : x
  2. Step 2: Convert to fraction form
    11,005.08/16,507.90 = 9,435.30/x
  3. Step 3: Cross multiply
    11,005.08x = 16,507.90 × 9,435.30
  4. Step 4: Simplify right side
    11,005.08x = 155,756,988.87
  5. Step 5: Solve for x
    x = 155,756,988.87/11,005.08
  6. Step 6: Final answer
    x = 14,153.19

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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.