Home / 8,591.16-12,864.96-7,200.84

Finding the Fourth Proportional to 8,591.16, 12,864.96 and 7,200.84

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Solution

The fourth proportional to 8,591.16, 12,864.96 and 7,200.84 is: 10,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.16 : 12,864.96 = 7,200.84 : x
  2. Step 2: Convert to fraction form
    8,591.16/12,864.96 = 7,200.84/x
  3. Step 3: Cross multiply
    8,591.16x = 12,864.96 × 7,200.84
  4. Step 4: Simplify right side
    8,591.16x = 92,638,518.57
  5. Step 5: Solve for x
    x = 92,638,518.57/8,591.16
  6. Step 6: Final answer
    x = 10,783.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.