Home / 11,132.04-15,355.10-7,773.60

Finding the Fourth Proportional to 11,132.04, 15,355.10 and 7,773.60

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Solution

The fourth proportional to 11,132.04, 15,355.10 and 7,773.60 is: 10,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.04 : 15,355.10 = 7,773.60 : x
  2. Step 2: Convert to fraction form
    11,132.04/15,355.10 = 7,773.60/x
  3. Step 3: Cross multiply
    11,132.04x = 15,355.10 × 7,773.60
  4. Step 4: Simplify right side
    11,132.04x = 119,364,405.36
  5. Step 5: Solve for x
    x = 119,364,405.36/11,132.04
  6. Step 6: Final answer
    x = 10,722.60

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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.