Home / 11,535.07-15,918.40-6,229.89

Finding the Fourth Proportional to 11,535.07, 15,918.40 and 6,229.89

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Solution

The fourth proportional to 11,535.07, 15,918.40 and 6,229.89 is: 8,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.07 : 15,918.40 = 6,229.89 : x
  2. Step 2: Convert to fraction form
    11,535.07/15,918.40 = 6,229.89/x
  3. Step 3: Cross multiply
    11,535.07x = 15,918.40 × 6,229.89
  4. Step 4: Simplify right side
    11,535.07x = 99,169,880.98
  5. Step 5: Solve for x
    x = 99,169,880.98/11,535.07
  6. Step 6: Final answer
    x = 8,597.25

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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.