Home / 9,661.04-13,330.70-5,628.53

Finding the Fourth Proportional to 9,661.04, 13,330.70 and 5,628.53

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Solution

The fourth proportional to 9,661.04, 13,330.70 and 5,628.53 is: 7,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.04 : 13,330.70 = 5,628.53 : x
  2. Step 2: Convert to fraction form
    9,661.04/13,330.70 = 5,628.53/x
  3. Step 3: Cross multiply
    9,661.04x = 13,330.70 × 5,628.53
  4. Step 4: Simplify right side
    9,661.04x = 75,032,150.07
  5. Step 5: Solve for x
    x = 75,032,150.07/9,661.04
  6. Step 6: Final answer
    x = 7,766.47

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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.