Home / 9,312.21-12,849.77-5,333.09

Finding the Fourth Proportional to 9,312.21, 12,849.77 and 5,333.09

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Solution

The fourth proportional to 9,312.21, 12,849.77 and 5,333.09 is: 7,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.21 : 12,849.77 = 5,333.09 : x
  2. Step 2: Convert to fraction form
    9,312.21/12,849.77 = 5,333.09/x
  3. Step 3: Cross multiply
    9,312.21x = 12,849.77 × 5,333.09
  4. Step 4: Simplify right side
    9,312.21x = 68,528,928.97
  5. Step 5: Solve for x
    x = 68,528,928.97/9,312.21
  6. Step 6: Final answer
    x = 7,359.04

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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.