Home / 9,962.74-13,748.86-5,486.81

Finding the Fourth Proportional to 9,962.74, 13,748.86 and 5,486.81

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Solution

The fourth proportional to 9,962.74, 13,748.86 and 5,486.81 is: 7,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.74 : 13,748.86 = 5,486.81 : x
  2. Step 2: Convert to fraction form
    9,962.74/13,748.86 = 5,486.81/x
  3. Step 3: Cross multiply
    9,962.74x = 13,748.86 × 5,486.81
  4. Step 4: Simplify right side
    9,962.74x = 75,437,313.79
  5. Step 5: Solve for x
    x = 75,437,313.79/9,962.74
  6. Step 6: Final answer
    x = 7,571.95

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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.