Home / 8,805.06-12,130.56-6,148.26

Finding the Fourth Proportional to 8,805.06, 12,130.56 and 6,148.26

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Solution

The fourth proportional to 8,805.06, 12,130.56 and 6,148.26 is: 8,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.06 : 12,130.56 = 6,148.26 : x
  2. Step 2: Convert to fraction form
    8,805.06/12,130.56 = 6,148.26/x
  3. Step 3: Cross multiply
    8,805.06x = 12,130.56 × 6,148.26
  4. Step 4: Simplify right side
    8,805.06x = 74,581,836.83
  5. Step 5: Solve for x
    x = 74,581,836.83/8,805.06
  6. Step 6: Final answer
    x = 8,470.34

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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.