Home / 11,580.04-15,982.50-6,866.92

Finding the Fourth Proportional to 11,580.04, 15,982.50 and 6,866.92

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Solution

The fourth proportional to 11,580.04, 15,982.50 and 6,866.92 is: 9,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.04 : 15,982.50 = 6,866.92 : x
  2. Step 2: Convert to fraction form
    11,580.04/15,982.50 = 6,866.92/x
  3. Step 3: Cross multiply
    11,580.04x = 15,982.50 × 6,866.92
  4. Step 4: Simplify right side
    11,580.04x = 109,750,548.90
  5. Step 5: Solve for x
    x = 109,750,548.90/11,580.04
  6. Step 6: Final answer
    x = 9,477.56

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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.