Home / 11,931.74-16,465.56-6,626.37

Finding the Fourth Proportional to 11,931.74, 16,465.56 and 6,626.37

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Solution

The fourth proportional to 11,931.74, 16,465.56 and 6,626.37 is: 9,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.74 : 16,465.56 = 6,626.37 : x
  2. Step 2: Convert to fraction form
    11,931.74/16,465.56 = 6,626.37/x
  3. Step 3: Cross multiply
    11,931.74x = 16,465.56 × 6,626.37
  4. Step 4: Simplify right side
    11,931.74x = 109,106,966.99
  5. Step 5: Solve for x
    x = 109,106,966.99/11,931.74
  6. Step 6: Final answer
    x = 9,144.26

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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.