Home / 9,405.72-14,088.36-8,853.75

Finding the Fourth Proportional to 9,405.72, 14,088.36 and 8,853.75

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Solution

The fourth proportional to 9,405.72, 14,088.36 and 8,853.75 is: 13,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.72 : 14,088.36 = 8,853.75 : x
  2. Step 2: Convert to fraction form
    9,405.72/14,088.36 = 8,853.75/x
  3. Step 3: Cross multiply
    9,405.72x = 14,088.36 × 8,853.75
  4. Step 4: Simplify right side
    9,405.72x = 124,734,817.35
  5. Step 5: Solve for x
    x = 124,734,817.35/9,405.72
  6. Step 6: Final answer
    x = 13,261.59

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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.