Home / 9,671.96-13,348.80-5,424.74

Finding the Fourth Proportional to 9,671.96, 13,348.80 and 5,424.74

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Solution

The fourth proportional to 9,671.96, 13,348.80 and 5,424.74 is: 7,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.96 : 13,348.80 = 5,424.74 : x
  2. Step 2: Convert to fraction form
    9,671.96/13,348.80 = 5,424.74/x
  3. Step 3: Cross multiply
    9,671.96x = 13,348.80 × 5,424.74
  4. Step 4: Simplify right side
    9,671.96x = 72,413,747.13
  5. Step 5: Solve for x
    x = 72,413,747.13/9,671.96
  6. Step 6: Final answer
    x = 7,486.98

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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.