Home / 9,618.93-13,272.39-5,585.94

Finding the Fourth Proportional to 9,618.93, 13,272.39 and 5,585.94

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Solution

The fourth proportional to 9,618.93, 13,272.39 and 5,585.94 is: 7,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.93 : 13,272.39 = 5,585.94 : x
  2. Step 2: Convert to fraction form
    9,618.93/13,272.39 = 5,585.94/x
  3. Step 3: Cross multiply
    9,618.93x = 13,272.39 × 5,585.94
  4. Step 4: Simplify right side
    9,618.93x = 74,138,774.20
  5. Step 5: Solve for x
    x = 74,138,774.20/9,618.93
  6. Step 6: Final answer
    x = 7,707.59

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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.