Home / 7,435.13-11,154.39-3,275.45

Finding the Fourth Proportional to 7,435.13, 11,154.39 and 3,275.45

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Solution

The fourth proportional to 7,435.13, 11,154.39 and 3,275.45 is: 4,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.13 : 11,154.39 = 3,275.45 : x
  2. Step 2: Convert to fraction form
    7,435.13/11,154.39 = 3,275.45/x
  3. Step 3: Cross multiply
    7,435.13x = 11,154.39 × 3,275.45
  4. Step 4: Simplify right side
    7,435.13x = 36,535,638.92
  5. Step 5: Solve for x
    x = 36,535,638.92/7,435.13
  6. Step 6: Final answer
    x = 4,913.92

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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.