Home / 9,579.33-13,210.70-6,347.80

Finding the Fourth Proportional to 9,579.33, 13,210.70 and 6,347.80

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Solution

The fourth proportional to 9,579.33, 13,210.70 and 6,347.80 is: 8,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.33 : 13,210.70 = 6,347.80 : x
  2. Step 2: Convert to fraction form
    9,579.33/13,210.70 = 6,347.80/x
  3. Step 3: Cross multiply
    9,579.33x = 13,210.70 × 6,347.80
  4. Step 4: Simplify right side
    9,579.33x = 83,858,866.23
  5. Step 5: Solve for x
    x = 83,858,866.23/9,579.33
  6. Step 6: Final answer
    x = 8,754.15

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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.