Home / 10,888.02-15,025.55-6,172.29

Finding the Fourth Proportional to 10,888.02, 15,025.55 and 6,172.29

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Solution

The fourth proportional to 10,888.02, 15,025.55 and 6,172.29 is: 8,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.02 : 15,025.55 = 6,172.29 : x
  2. Step 2: Convert to fraction form
    10,888.02/15,025.55 = 6,172.29/x
  3. Step 3: Cross multiply
    10,888.02x = 15,025.55 × 6,172.29
  4. Step 4: Simplify right side
    10,888.02x = 92,742,021.15
  5. Step 5: Solve for x
    x = 92,742,021.15/10,888.02
  6. Step 6: Final answer
    x = 8,517.80

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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.