Home / 9,577.18-13,215.18-5,327.92

Finding the Fourth Proportional to 9,577.18, 13,215.18 and 5,327.92

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Solution

The fourth proportional to 9,577.18, 13,215.18 and 5,327.92 is: 7,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577.18 : 13,215.18 = 5,327.92 : x
  2. Step 2: Convert to fraction form
    9,577.18/13,215.18 = 5,327.92/x
  3. Step 3: Cross multiply
    9,577.18x = 13,215.18 × 5,327.92
  4. Step 4: Simplify right side
    9,577.18x = 70,409,421.83
  5. Step 5: Solve for x
    x = 70,409,421.83/9,577.18
  6. Step 6: Final answer
    x = 7,351.79

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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.