Home / 11,341.15-15,649.07-6,305.40

Finding the Fourth Proportional to 11,341.15, 15,649.07 and 6,305.40

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Solution

The fourth proportional to 11,341.15, 15,649.07 and 6,305.40 is: 8,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.15 : 15,649.07 = 6,305.40 : x
  2. Step 2: Convert to fraction form
    11,341.15/15,649.07 = 6,305.40/x
  3. Step 3: Cross multiply
    11,341.15x = 15,649.07 × 6,305.40
  4. Step 4: Simplify right side
    11,341.15x = 98,673,614.45
  5. Step 5: Solve for x
    x = 98,673,614.45/11,341.15
  6. Step 6: Final answer
    x = 8,700.50

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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.