Home / 9,587.64-13,231.14-5,395.86

Finding the Fourth Proportional to 9,587.64, 13,231.14 and 5,395.86

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Solution

The fourth proportional to 9,587.64, 13,231.14 and 5,395.86 is: 7,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.64 : 13,231.14 = 5,395.86 : x
  2. Step 2: Convert to fraction form
    9,587.64/13,231.14 = 5,395.86/x
  3. Step 3: Cross multiply
    9,587.64x = 13,231.14 × 5,395.86
  4. Step 4: Simplify right side
    9,587.64x = 71,393,379.08
  5. Step 5: Solve for x
    x = 71,393,379.08/9,587.64
  6. Step 6: Final answer
    x = 7,446.40

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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.