Home / 10,305.48-15,456.80-6,146.04

Finding the Fourth Proportional to 10,305.48, 15,456.80 and 6,146.04

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Solution

The fourth proportional to 10,305.48, 15,456.80 and 6,146.04 is: 9,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.48 : 15,456.80 = 6,146.04 : x
  2. Step 2: Convert to fraction form
    10,305.48/15,456.80 = 6,146.04/x
  3. Step 3: Cross multiply
    10,305.48x = 15,456.80 × 6,146.04
  4. Step 4: Simplify right side
    10,305.48x = 94,998,111.07
  5. Step 5: Solve for x
    x = 94,998,111.07/10,305.48
  6. Step 6: Final answer
    x = 9,218.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.