Home / 9,113.64-12,571.11-5,570.70

Finding the Fourth Proportional to 9,113.64, 12,571.11 and 5,570.70

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Solution

The fourth proportional to 9,113.64, 12,571.11 and 5,570.70 is: 7,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.64 : 12,571.11 = 5,570.70 : x
  2. Step 2: Convert to fraction form
    9,113.64/12,571.11 = 5,570.70/x
  3. Step 3: Cross multiply
    9,113.64x = 12,571.11 × 5,570.70
  4. Step 4: Simplify right side
    9,113.64x = 70,029,882.48
  5. Step 5: Solve for x
    x = 70,029,882.48/9,113.64
  6. Step 6: Final answer
    x = 7,684.07

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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.