Home / 7,437.96-11,135.02-6,515.32

Finding the Fourth Proportional to 7,437.96, 11,135.02 and 6,515.32

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Solution

The fourth proportional to 7,437.96, 11,135.02 and 6,515.32 is: 9,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.96 : 11,135.02 = 6,515.32 : x
  2. Step 2: Convert to fraction form
    7,437.96/11,135.02 = 6,515.32/x
  3. Step 3: Cross multiply
    7,437.96x = 11,135.02 × 6,515.32
  4. Step 4: Simplify right side
    7,437.96x = 72,548,218.51
  5. Step 5: Solve for x
    x = 72,548,218.51/7,437.96
  6. Step 6: Final answer
    x = 9,753.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.