Home / 9,296.55-12,830.13-5,316.89

Finding the Fourth Proportional to 9,296.55, 12,830.13 and 5,316.89

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Solution

The fourth proportional to 9,296.55, 12,830.13 and 5,316.89 is: 7,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296.55 : 12,830.13 = 5,316.89 : x
  2. Step 2: Convert to fraction form
    9,296.55/12,830.13 = 5,316.89/x
  3. Step 3: Cross multiply
    9,296.55x = 12,830.13 × 5,316.89
  4. Step 4: Simplify right side
    9,296.55x = 68,216,325.75
  5. Step 5: Solve for x
    x = 68,216,325.75/9,296.55
  6. Step 6: Final answer
    x = 7,337.81

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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.