Home / 9,327.14-12,870.52-5,347.68

Finding the Fourth Proportional to 9,327.14, 12,870.52 and 5,347.68

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Solution

The fourth proportional to 9,327.14, 12,870.52 and 5,347.68 is: 7,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.14 : 12,870.52 = 5,347.68 : x
  2. Step 2: Convert to fraction form
    9,327.14/12,870.52 = 5,347.68/x
  3. Step 3: Cross multiply
    9,327.14x = 12,870.52 × 5,347.68
  4. Step 4: Simplify right side
    9,327.14x = 68,827,422.39
  5. Step 5: Solve for x
    x = 68,827,422.39/9,327.14
  6. Step 6: Final answer
    x = 7,379.26

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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.