Home / 7,170.94-9,899.24-4,784.89

Finding the Fourth Proportional to 7,170.94, 9,899.24 and 4,784.89

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Solution

The fourth proportional to 7,170.94, 9,899.24 and 4,784.89 is: 6,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.94 : 9,899.24 = 4,784.89 : x
  2. Step 2: Convert to fraction form
    7,170.94/9,899.24 = 4,784.89/x
  3. Step 3: Cross multiply
    7,170.94x = 9,899.24 × 4,784.89
  4. Step 4: Simplify right side
    7,170.94x = 47,366,701.06
  5. Step 5: Solve for x
    x = 47,366,701.06/7,170.94
  6. Step 6: Final answer
    x = 6,605.37

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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.