Home / 17,608.40-26,416.56-6,515.10

Finding the Fourth Proportional to 17,608.40, 26,416.56 and 6,515.10

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Solution

The fourth proportional to 17,608.40, 26,416.56 and 6,515.10 is: 9,774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.40 : 26,416.56 = 6,515.10 : x
  2. Step 2: Convert to fraction form
    17,608.40/26,416.56 = 6,515.10/x
  3. Step 3: Cross multiply
    17,608.40x = 26,416.56 × 6,515.10
  4. Step 4: Simplify right side
    17,608.40x = 172,106,530.06
  5. Step 5: Solve for x
    x = 172,106,530.06/17,608.40
  6. Step 6: Final answer
    x = 9,774.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.