Home / 9,709.79-14,561.84-5,549.02

Finding the Fourth Proportional to 9,709.79, 14,561.84 and 5,549.02

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Solution

The fourth proportional to 9,709.79, 14,561.84 and 5,549.02 is: 8,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.79 : 14,561.84 = 5,549.02 : x
  2. Step 2: Convert to fraction form
    9,709.79/14,561.84 = 5,549.02/x
  3. Step 3: Cross multiply
    9,709.79x = 14,561.84 × 5,549.02
  4. Step 4: Simplify right side
    9,709.79x = 80,803,918.86
  5. Step 5: Solve for x
    x = 80,803,918.86/9,709.79
  6. Step 6: Final answer
    x = 8,321.91

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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.