Home / 10,860.75-16,291.13-7,136.06

Finding the Fourth Proportional to 10,860.75, 16,291.13 and 7,136.06

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Solution

The fourth proportional to 10,860.75, 16,291.13 and 7,136.06 is: 10,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.75 : 16,291.13 = 7,136.06 : x
  2. Step 2: Convert to fraction form
    10,860.75/16,291.13 = 7,136.06/x
  3. Step 3: Cross multiply
    10,860.75x = 16,291.13 × 7,136.06
  4. Step 4: Simplify right side
    10,860.75x = 116,254,364.01
  5. Step 5: Solve for x
    x = 116,254,364.01/10,860.75
  6. Step 6: Final answer
    x = 10,704.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.