Home / 9,405.48-14,103.63-5,661.12

Finding the Fourth Proportional to 9,405.48, 14,103.63 and 5,661.12

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Solution

The fourth proportional to 9,405.48, 14,103.63 and 5,661.12 is: 8,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.48 : 14,103.63 = 5,661.12 : x
  2. Step 2: Convert to fraction form
    9,405.48/14,103.63 = 5,661.12/x
  3. Step 3: Cross multiply
    9,405.48x = 14,103.63 × 5,661.12
  4. Step 4: Simplify right side
    9,405.48x = 79,842,341.87
  5. Step 5: Solve for x
    x = 79,842,341.87/9,405.48
  6. Step 6: Final answer
    x = 8,488.92

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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.