Home / 12,041.40-16,616.36-6,735.30

Finding the Fourth Proportional to 12,041.40, 16,616.36 and 6,735.30

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Solution

The fourth proportional to 12,041.40, 16,616.36 and 6,735.30 is: 9,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.40 : 16,616.36 = 6,735.30 : x
  2. Step 2: Convert to fraction form
    12,041.40/16,616.36 = 6,735.30/x
  3. Step 3: Cross multiply
    12,041.40x = 16,616.36 × 6,735.30
  4. Step 4: Simplify right side
    12,041.40x = 111,916,169.51
  5. Step 5: Solve for x
    x = 111,916,169.51/12,041.40
  6. Step 6: Final answer
    x = 9,294.28

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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.