Home / 8,453.19-11,661.53-5,470.00

Finding the Fourth Proportional to 8,453.19, 11,661.53 and 5,470.00

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Solution

The fourth proportional to 8,453.19, 11,661.53 and 5,470.00 is: 7,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.19 : 11,661.53 = 5,470.00 : x
  2. Step 2: Convert to fraction form
    8,453.19/11,661.53 = 5,470.00/x
  3. Step 3: Cross multiply
    8,453.19x = 11,661.53 × 5,470.00
  4. Step 4: Simplify right side
    8,453.19x = 63,788,512.60
  5. Step 5: Solve for x
    x = 63,788,512.60/8,453.19
  6. Step 6: Final answer
    x = 7,546.09

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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.