Home / 11,535.48-15,918.53-6,500.75

Finding the Fourth Proportional to 11,535.48, 15,918.53 and 6,500.75

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Solution

The fourth proportional to 11,535.48, 15,918.53 and 6,500.75 is: 8,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.48 : 15,918.53 = 6,500.75 : x
  2. Step 2: Convert to fraction form
    11,535.48/15,918.53 = 6,500.75/x
  3. Step 3: Cross multiply
    11,535.48x = 15,918.53 × 6,500.75
  4. Step 4: Simplify right side
    11,535.48x = 103,482,271.80
  5. Step 5: Solve for x
    x = 103,482,271.80/11,535.48
  6. Step 6: Final answer
    x = 8,970.78

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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.