Home / 9,908.82-13,671.45-6,130.17

Finding the Fourth Proportional to 9,908.82, 13,671.45 and 6,130.17

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Solution

The fourth proportional to 9,908.82, 13,671.45 and 6,130.17 is: 8,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.82 : 13,671.45 = 6,130.17 : x
  2. Step 2: Convert to fraction form
    9,908.82/13,671.45 = 6,130.17/x
  3. Step 3: Cross multiply
    9,908.82x = 13,671.45 × 6,130.17
  4. Step 4: Simplify right side
    9,908.82x = 83,808,312.65
  5. Step 5: Solve for x
    x = 83,808,312.65/9,908.82
  6. Step 6: Final answer
    x = 8,457.95

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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.