Home / 9,345.69-14,021.46-2,771.91

Finding the Fourth Proportional to 9,345.69, 14,021.46 and 2,771.91

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Solution

The fourth proportional to 9,345.69, 14,021.46 and 2,771.91 is: 4,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.69 : 14,021.46 = 2,771.91 : x
  2. Step 2: Convert to fraction form
    9,345.69/14,021.46 = 2,771.91/x
  3. Step 3: Cross multiply
    9,345.69x = 14,021.46 × 2,771.91
  4. Step 4: Simplify right side
    9,345.69x = 38,866,225.19
  5. Step 5: Solve for x
    x = 38,866,225.19/9,345.69
  6. Step 6: Final answer
    x = 4,158.73

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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.