Home / 11,459.57-17,190.18-7,307.70

Finding the Fourth Proportional to 11,459.57, 17,190.18 and 7,307.70

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Solution

The fourth proportional to 11,459.57, 17,190.18 and 7,307.70 is: 10,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.57 : 17,190.18 = 7,307.70 : x
  2. Step 2: Convert to fraction form
    11,459.57/17,190.18 = 7,307.70/x
  3. Step 3: Cross multiply
    11,459.57x = 17,190.18 × 7,307.70
  4. Step 4: Simplify right side
    11,459.57x = 125,620,678.39
  5. Step 5: Solve for x
    x = 125,620,678.39/11,459.57
  6. Step 6: Final answer
    x = 10,962.08

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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.