Home / 11,330.02-15,642.96-7,087.48

Finding the Fourth Proportional to 11,330.02, 15,642.96 and 7,087.48

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Solution

The fourth proportional to 11,330.02, 15,642.96 and 7,087.48 is: 9,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.02 : 15,642.96 = 7,087.48 : x
  2. Step 2: Convert to fraction form
    11,330.02/15,642.96 = 7,087.48/x
  3. Step 3: Cross multiply
    11,330.02x = 15,642.96 × 7,087.48
  4. Step 4: Simplify right side
    11,330.02x = 110,869,166.14
  5. Step 5: Solve for x
    x = 110,869,166.14/11,330.02
  6. Step 6: Final answer
    x = 9,785.43

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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.