Home / 9,687.16-14,529.36-3,113.92

Finding the Fourth Proportional to 9,687.16, 14,529.36 and 3,113.92

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Solution

The fourth proportional to 9,687.16, 14,529.36 and 3,113.92 is: 4,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.16 : 14,529.36 = 3,113.92 : x
  2. Step 2: Convert to fraction form
    9,687.16/14,529.36 = 3,113.92/x
  3. Step 3: Cross multiply
    9,687.16x = 14,529.36 × 3,113.92
  4. Step 4: Simplify right side
    9,687.16x = 45,243,264.69
  5. Step 5: Solve for x
    x = 45,243,264.69/9,687.16
  6. Step 6: Final answer
    x = 4,670.44

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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.