Home / 9,210.76-13,812.08-2,635.45

Finding the Fourth Proportional to 9,210.76, 13,812.08 and 2,635.45

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Solution

The fourth proportional to 9,210.76, 13,812.08 and 2,635.45 is: 3,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.76 : 13,812.08 = 2,635.45 : x
  2. Step 2: Convert to fraction form
    9,210.76/13,812.08 = 2,635.45/x
  3. Step 3: Cross multiply
    9,210.76x = 13,812.08 × 2,635.45
  4. Step 4: Simplify right side
    9,210.76x = 36,400,964.00
  5. Step 5: Solve for x
    x = 36,400,964.00/9,210.76
  6. Step 6: Final answer
    x = 3,952.01

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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.