Home / 9,459.48-13,053.87-5,209.95

Finding the Fourth Proportional to 9,459.48, 13,053.87 and 5,209.95

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Solution

The fourth proportional to 9,459.48, 13,053.87 and 5,209.95 is: 7,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.48 : 13,053.87 = 5,209.95 : x
  2. Step 2: Convert to fraction form
    9,459.48/13,053.87 = 5,209.95/x
  3. Step 3: Cross multiply
    9,459.48x = 13,053.87 × 5,209.95
  4. Step 4: Simplify right side
    9,459.48x = 68,010,010.01
  5. Step 5: Solve for x
    x = 68,010,010.01/9,459.48
  6. Step 6: Final answer
    x = 7,189.61

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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.