Home / 11,276.52-15,567.14-7,087.08

Finding the Fourth Proportional to 11,276.52, 15,567.14 and 7,087.08

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Solution

The fourth proportional to 11,276.52, 15,567.14 and 7,087.08 is: 9,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.52 : 15,567.14 = 7,087.08 : x
  2. Step 2: Convert to fraction form
    11,276.52/15,567.14 = 7,087.08/x
  3. Step 3: Cross multiply
    11,276.52x = 15,567.14 × 7,087.08
  4. Step 4: Simplify right side
    11,276.52x = 110,325,566.55
  5. Step 5: Solve for x
    x = 110,325,566.55/11,276.52
  6. Step 6: Final answer
    x = 9,783.65

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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.