Home / 7,308.48-10,945.16-4,179

Finding the Fourth Proportional to 7,308.48, 10,945.16 and 4,179

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Solution

The fourth proportional to 7,308.48, 10,945.16 and 4,179 is: 6,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.48 : 10,945.16 = 4,179 : x
  2. Step 2: Convert to fraction form
    7,308.48/10,945.16 = 4,179/x
  3. Step 3: Cross multiply
    7,308.48x = 10,945.16 × 4,179
  4. Step 4: Simplify right side
    7,308.48x = 45,739,823.64
  5. Step 5: Solve for x
    x = 45,739,823.64/7,308.48
  6. Step 6: Final answer
    x = 6,258.46

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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.