Home / 10,851.21-14,975.78-6,602.57

Finding the Fourth Proportional to 10,851.21, 14,975.78 and 6,602.57

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Solution

The fourth proportional to 10,851.21, 14,975.78 and 6,602.57 is: 9,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.21 : 14,975.78 = 6,602.57 : x
  2. Step 2: Convert to fraction form
    10,851.21/14,975.78 = 6,602.57/x
  3. Step 3: Cross multiply
    10,851.21x = 14,975.78 × 6,602.57
  4. Step 4: Simplify right side
    10,851.21x = 98,878,635.75
  5. Step 5: Solve for x
    x = 98,878,635.75/10,851.21
  6. Step 6: Final answer
    x = 9,112.22

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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.