Home / 9,675.68-13,347.60-6,133.28

Finding the Fourth Proportional to 9,675.68, 13,347.60 and 6,133.28

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Solution

The fourth proportional to 9,675.68, 13,347.60 and 6,133.28 is: 8,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675.68 : 13,347.60 = 6,133.28 : x
  2. Step 2: Convert to fraction form
    9,675.68/13,347.60 = 6,133.28/x
  3. Step 3: Cross multiply
    9,675.68x = 13,347.60 × 6,133.28
  4. Step 4: Simplify right side
    9,675.68x = 81,864,568.13
  5. Step 5: Solve for x
    x = 81,864,568.13/9,675.68
  6. Step 6: Final answer
    x = 8,460.86

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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.