Home / 8,851.06-12,213.88-5,316.22

Finding the Fourth Proportional to 8,851.06, 12,213.88 and 5,316.22

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Solution

The fourth proportional to 8,851.06, 12,213.88 and 5,316.22 is: 7,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.06 : 12,213.88 = 5,316.22 : x
  2. Step 2: Convert to fraction form
    8,851.06/12,213.88 = 5,316.22/x
  3. Step 3: Cross multiply
    8,851.06x = 12,213.88 × 5,316.22
  4. Step 4: Simplify right side
    8,851.06x = 64,931,673.13
  5. Step 5: Solve for x
    x = 64,931,673.13/8,851.06
  6. Step 6: Final answer
    x = 7,336.03

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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.