Home / 11,832.48-16,329.60-7,646.40

Finding the Fourth Proportional to 11,832.48, 16,329.60 and 7,646.40

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Solution

The fourth proportional to 11,832.48, 16,329.60 and 7,646.40 is: 10,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.48 : 16,329.60 = 7,646.40 : x
  2. Step 2: Convert to fraction form
    11,832.48/16,329.60 = 7,646.40/x
  3. Step 3: Cross multiply
    11,832.48x = 16,329.60 × 7,646.40
  4. Step 4: Simplify right side
    11,832.48x = 124,862,653.44
  5. Step 5: Solve for x
    x = 124,862,653.44/11,832.48
  6. Step 6: Final answer
    x = 10,552.53

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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.