Home / 9,909.08-13,674.53-5,432.74

Finding the Fourth Proportional to 9,909.08, 13,674.53 and 5,432.74

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Solution

The fourth proportional to 9,909.08, 13,674.53 and 5,432.74 is: 7,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.08 : 13,674.53 = 5,432.74 : x
  2. Step 2: Convert to fraction form
    9,909.08/13,674.53 = 5,432.74/x
  3. Step 3: Cross multiply
    9,909.08x = 13,674.53 × 5,432.74
  4. Step 4: Simplify right side
    9,909.08x = 74,290,145.51
  5. Step 5: Solve for x
    x = 74,290,145.51/9,909.08
  6. Step 6: Final answer
    x = 7,497.18

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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.