Home / 12,080.53-16,668.75-7,045.57

Finding the Fourth Proportional to 12,080.53, 16,668.75 and 7,045.57

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Solution

The fourth proportional to 12,080.53, 16,668.75 and 7,045.57 is: 9,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.53 : 16,668.75 = 7,045.57 : x
  2. Step 2: Convert to fraction form
    12,080.53/16,668.75 = 7,045.57/x
  3. Step 3: Cross multiply
    12,080.53x = 16,668.75 × 7,045.57
  4. Step 4: Simplify right side
    12,080.53x = 117,440,844.94
  5. Step 5: Solve for x
    x = 117,440,844.94/12,080.53
  6. Step 6: Final answer
    x = 9,721.50

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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.