Home / 9,338.40-12,881.30-5,559.03

Finding the Fourth Proportional to 9,338.40, 12,881.30 and 5,559.03

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Solution

The fourth proportional to 9,338.40, 12,881.30 and 5,559.03 is: 7,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.40 : 12,881.30 = 5,559.03 : x
  2. Step 2: Convert to fraction form
    9,338.40/12,881.30 = 5,559.03/x
  3. Step 3: Cross multiply
    9,338.40x = 12,881.30 × 5,559.03
  4. Step 4: Simplify right side
    9,338.40x = 71,607,505.34
  5. Step 5: Solve for x
    x = 71,607,505.34/9,338.40
  6. Step 6: Final answer
    x = 7,668.07

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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.