Home / 9,403.07-12,975.84-5,623.99

Finding the Fourth Proportional to 9,403.07, 12,975.84 and 5,623.99

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Solution

The fourth proportional to 9,403.07, 12,975.84 and 5,623.99 is: 7,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.07 : 12,975.84 = 5,623.99 : x
  2. Step 2: Convert to fraction form
    9,403.07/12,975.84 = 5,623.99/x
  3. Step 3: Cross multiply
    9,403.07x = 12,975.84 × 5,623.99
  4. Step 4: Simplify right side
    9,403.07x = 72,975,961.96
  5. Step 5: Solve for x
    x = 72,975,961.96/9,403.07
  6. Step 6: Final answer
    x = 7,760.87

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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.