Home / 10,756.92-14,851.44-8,772.24

Finding the Fourth Proportional to 10,756.92, 14,851.44 and 8,772.24

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Solution

The fourth proportional to 10,756.92, 14,851.44 and 8,772.24 is: 12,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.92 : 14,851.44 = 8,772.24 : x
  2. Step 2: Convert to fraction form
    10,756.92/14,851.44 = 8,772.24/x
  3. Step 3: Cross multiply
    10,756.92x = 14,851.44 × 8,772.24
  4. Step 4: Simplify right side
    10,756.92x = 130,280,396.03
  5. Step 5: Solve for x
    x = 130,280,396.03/10,756.92
  6. Step 6: Final answer
    x = 12,111.31

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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.