Home / 9,559.35-13,160.61-7,539.08

Finding the Fourth Proportional to 9,559.35, 13,160.61 and 7,539.08

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Solution

The fourth proportional to 9,559.35, 13,160.61 and 7,539.08 is: 10,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.35 : 13,160.61 = 7,539.08 : x
  2. Step 2: Convert to fraction form
    9,559.35/13,160.61 = 7,539.08/x
  3. Step 3: Cross multiply
    9,559.35x = 13,160.61 × 7,539.08
  4. Step 4: Simplify right side
    9,559.35x = 99,218,825.84
  5. Step 5: Solve for x
    x = 99,218,825.84/9,559.35
  6. Step 6: Final answer
    x = 10,379.24

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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.