Home / 11,069.93-15,275.95-6,289.25

Finding the Fourth Proportional to 11,069.93, 15,275.95 and 6,289.25

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Solution

The fourth proportional to 11,069.93, 15,275.95 and 6,289.25 is: 8,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.93 : 15,275.95 = 6,289.25 : x
  2. Step 2: Convert to fraction form
    11,069.93/15,275.95 = 6,289.25/x
  3. Step 3: Cross multiply
    11,069.93x = 15,275.95 × 6,289.25
  4. Step 4: Simplify right side
    11,069.93x = 96,074,268.54
  5. Step 5: Solve for x
    x = 96,074,268.54/11,069.93
  6. Step 6: Final answer
    x = 8,678.85

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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.