Home / 9,909.12-13,674.66-5,433.06

Finding the Fourth Proportional to 9,909.12, 13,674.66 and 5,433.06

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Solution

The fourth proportional to 9,909.12, 13,674.66 and 5,433.06 is: 7,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.12 : 13,674.66 = 5,433.06 : x
  2. Step 2: Convert to fraction form
    9,909.12/13,674.66 = 5,433.06/x
  3. Step 3: Cross multiply
    9,909.12x = 13,674.66 × 5,433.06
  4. Step 4: Simplify right side
    9,909.12x = 74,295,248.26
  5. Step 5: Solve for x
    x = 74,295,248.26/9,909.12
  6. Step 6: Final answer
    x = 7,497.66

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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.