Home / 10,756.95-16,130.57-3,831.63

Finding the Fourth Proportional to 10,756.95, 16,130.57 and 3,831.63

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Solution

The fourth proportional to 10,756.95, 16,130.57 and 3,831.63 is: 5,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.95 : 16,130.57 = 3,831.63 : x
  2. Step 2: Convert to fraction form
    10,756.95/16,130.57 = 3,831.63/x
  3. Step 3: Cross multiply
    10,756.95x = 16,130.57 × 3,831.63
  4. Step 4: Simplify right side
    10,756.95x = 61,806,356.77
  5. Step 5: Solve for x
    x = 61,806,356.77/10,756.95
  6. Step 6: Final answer
    x = 5,745.71

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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.