Home / 9,401.16-12,970.98-6,261.96

Finding the Fourth Proportional to 9,401.16, 12,970.98 and 6,261.96

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Solution

The fourth proportional to 9,401.16, 12,970.98 and 6,261.96 is: 8,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.16 : 12,970.98 = 6,261.96 : x
  2. Step 2: Convert to fraction form
    9,401.16/12,970.98 = 6,261.96/x
  3. Step 3: Cross multiply
    9,401.16x = 12,970.98 × 6,261.96
  4. Step 4: Simplify right side
    9,401.16x = 81,223,757.92
  5. Step 5: Solve for x
    x = 81,223,757.92/9,401.16
  6. Step 6: Final answer
    x = 8,639.76

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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.