Home / 12,084.16-16,672.80-7,116.16

Finding the Fourth Proportional to 12,084.16, 16,672.80 and 7,116.16

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Solution

The fourth proportional to 12,084.16, 16,672.80 and 7,116.16 is: 9,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.16 : 16,672.80 = 7,116.16 : x
  2. Step 2: Convert to fraction form
    12,084.16/16,672.80 = 7,116.16/x
  3. Step 3: Cross multiply
    12,084.16x = 16,672.80 × 7,116.16
  4. Step 4: Simplify right side
    12,084.16x = 118,646,312.45
  5. Step 5: Solve for x
    x = 118,646,312.45/12,084.16
  6. Step 6: Final answer
    x = 9,818.33

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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.