Home / 10,554.18-15,831.66-2,762.76

Finding the Fourth Proportional to 10,554.18, 15,831.66 and 2,762.76

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Solution

The fourth proportional to 10,554.18, 15,831.66 and 2,762.76 is: 4,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.18 : 15,831.66 = 2,762.76 : x
  2. Step 2: Convert to fraction form
    10,554.18/15,831.66 = 2,762.76/x
  3. Step 3: Cross multiply
    10,554.18x = 15,831.66 × 2,762.76
  4. Step 4: Simplify right side
    10,554.18x = 43,739,076.98
  5. Step 5: Solve for x
    x = 43,739,076.98/10,554.18
  6. Step 6: Final answer
    x = 4,144.24

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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.