Home / 9,443.89-13,035.54-6,458.59

Finding the Fourth Proportional to 9,443.89, 13,035.54 and 6,458.59

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Solution

The fourth proportional to 9,443.89, 13,035.54 and 6,458.59 is: 8,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,443.89 : 13,035.54 = 6,458.59 : x
  2. Step 2: Convert to fraction form
    9,443.89/13,035.54 = 6,458.59/x
  3. Step 3: Cross multiply
    9,443.89x = 13,035.54 × 6,458.59
  4. Step 4: Simplify right side
    9,443.89x = 84,191,208.29
  5. Step 5: Solve for x
    x = 84,191,208.29/9,443.89
  6. Step 6: Final answer
    x = 8,914.89

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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.