Home / 12,130.68-16,737.80-7,093.92

Finding the Fourth Proportional to 12,130.68, 16,737.80 and 7,093.92

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Solution

The fourth proportional to 12,130.68, 16,737.80 and 7,093.92 is: 9,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.68 : 16,737.80 = 7,093.92 : x
  2. Step 2: Convert to fraction form
    12,130.68/16,737.80 = 7,093.92/x
  3. Step 3: Cross multiply
    12,130.68x = 16,737.80 × 7,093.92
  4. Step 4: Simplify right side
    12,130.68x = 118,736,578.71
  5. Step 5: Solve for x
    x = 118,736,578.71/12,130.68
  6. Step 6: Final answer
    x = 9,788.12

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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.