Home / 11,412.23-15,742.49-6,695.60

Finding the Fourth Proportional to 11,412.23, 15,742.49 and 6,695.60

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Solution

The fourth proportional to 11,412.23, 15,742.49 and 6,695.60 is: 9,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.23 : 15,742.49 = 6,695.60 : x
  2. Step 2: Convert to fraction form
    11,412.23/15,742.49 = 6,695.60/x
  3. Step 3: Cross multiply
    11,412.23x = 15,742.49 × 6,695.60
  4. Step 4: Simplify right side
    11,412.23x = 105,405,303.85
  5. Step 5: Solve for x
    x = 105,405,303.85/11,412.23
  6. Step 6: Final answer
    x = 9,236.17

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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.