Home / 9,403.24-12,979-5,864.34

Finding the Fourth Proportional to 9,403.24, 12,979 and 5,864.34

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Solution

The fourth proportional to 9,403.24, 12,979 and 5,864.34 is: 8,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.24 : 12,979 = 5,864.34 : x
  2. Step 2: Convert to fraction form
    9,403.24/12,979 = 5,864.34/x
  3. Step 3: Cross multiply
    9,403.24x = 12,979 × 5,864.34
  4. Step 4: Simplify right side
    9,403.24x = 76,113,268.86
  5. Step 5: Solve for x
    x = 76,113,268.86/9,403.24
  6. Step 6: Final answer
    x = 8,094.37

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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.