Home / 8,453.90-11,662.44-5,470.69

Finding the Fourth Proportional to 8,453.90, 11,662.44 and 5,470.69

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Solution

The fourth proportional to 8,453.90, 11,662.44 and 5,470.69 is: 7,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.90 : 11,662.44 = 5,470.69 : x
  2. Step 2: Convert to fraction form
    8,453.90/11,662.44 = 5,470.69/x
  3. Step 3: Cross multiply
    8,453.90x = 11,662.44 × 5,470.69
  4. Step 4: Simplify right side
    8,453.90x = 63,801,593.88
  5. Step 5: Solve for x
    x = 63,801,593.88/8,453.90
  6. Step 6: Final answer
    x = 7,547.00

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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.