Home / 12,130.04-16,737.54-6,823.82

Finding the Fourth Proportional to 12,130.04, 16,737.54 and 6,823.82

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Solution

The fourth proportional to 12,130.04, 16,737.54 and 6,823.82 is: 9,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.04 : 16,737.54 = 6,823.82 : x
  2. Step 2: Convert to fraction form
    12,130.04/16,737.54 = 6,823.82/x
  3. Step 3: Cross multiply
    12,130.04x = 16,737.54 × 6,823.82
  4. Step 4: Simplify right side
    12,130.04x = 114,213,960.20
  5. Step 5: Solve for x
    x = 114,213,960.20/12,130.04
  6. Step 6: Final answer
    x = 9,415.79

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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.