Home / 9,302.16-12,836.88-5,323.20

Finding the Fourth Proportional to 9,302.16, 12,836.88 and 5,323.20

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Solution

The fourth proportional to 9,302.16, 12,836.88 and 5,323.20 is: 7,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.16 : 12,836.88 = 5,323.20 : x
  2. Step 2: Convert to fraction form
    9,302.16/12,836.88 = 5,323.20/x
  3. Step 3: Cross multiply
    9,302.16x = 12,836.88 × 5,323.20
  4. Step 4: Simplify right side
    9,302.16x = 68,333,279.62
  5. Step 5: Solve for x
    x = 68,333,279.62/9,302.16
  6. Step 6: Final answer
    x = 7,345.96

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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.