Home / 8,774.94-12,107.48-5,587.08

Finding the Fourth Proportional to 8,774.94, 12,107.48 and 5,587.08

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Solution

The fourth proportional to 8,774.94, 12,107.48 and 5,587.08 is: 7,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.94 : 12,107.48 = 5,587.08 : x
  2. Step 2: Convert to fraction form
    8,774.94/12,107.48 = 5,587.08/x
  3. Step 3: Cross multiply
    8,774.94x = 12,107.48 × 5,587.08
  4. Step 4: Simplify right side
    8,774.94x = 67,645,459.36
  5. Step 5: Solve for x
    x = 67,645,459.36/8,774.94
  6. Step 6: Final answer
    x = 7,708.94

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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.