Home / 6,710.28-9,261.36-6,415.08

Finding the Fourth Proportional to 6,710.28, 9,261.36 and 6,415.08

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Solution

The fourth proportional to 6,710.28, 9,261.36 and 6,415.08 is: 8,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710.28 : 9,261.36 = 6,415.08 : x
  2. Step 2: Convert to fraction form
    6,710.28/9,261.36 = 6,415.08/x
  3. Step 3: Cross multiply
    6,710.28x = 9,261.36 × 6,415.08
  4. Step 4: Simplify right side
    6,710.28x = 59,412,365.31
  5. Step 5: Solve for x
    x = 59,412,365.31/6,710.28
  6. Step 6: Final answer
    x = 8,853.93

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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.