Home / 12,079.04-16,671.84-7,113.92

Finding the Fourth Proportional to 12,079.04, 16,671.84 and 7,113.92

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Solution

The fourth proportional to 12,079.04, 16,671.84 and 7,113.92 is: 9,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.04 : 16,671.84 = 7,113.92 : x
  2. Step 2: Convert to fraction form
    12,079.04/16,671.84 = 7,113.92/x
  3. Step 3: Cross multiply
    12,079.04x = 16,671.84 × 7,113.92
  4. Step 4: Simplify right side
    12,079.04x = 118,602,136.01
  5. Step 5: Solve for x
    x = 118,602,136.01/12,079.04
  6. Step 6: Final answer
    x = 9,818.84

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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.