Home / 10,365.40-15,548.10-7,546.60

Finding the Fourth Proportional to 10,365.40, 15,548.10 and 7,546.60

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Solution

The fourth proportional to 10,365.40, 15,548.10 and 7,546.60 is: 11,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.40 : 15,548.10 = 7,546.60 : x
  2. Step 2: Convert to fraction form
    10,365.40/15,548.10 = 7,546.60/x
  3. Step 3: Cross multiply
    10,365.40x = 15,548.10 × 7,546.60
  4. Step 4: Simplify right side
    10,365.40x = 117,335,291.46
  5. Step 5: Solve for x
    x = 117,335,291.46/10,365.40
  6. Step 6: Final answer
    x = 11,319.90

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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.