Home / 8,407.04-11,603.07-4,872.29

Finding the Fourth Proportional to 8,407.04, 11,603.07 and 4,872.29

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Solution

The fourth proportional to 8,407.04, 11,603.07 and 4,872.29 is: 6,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.04 : 11,603.07 = 4,872.29 : x
  2. Step 2: Convert to fraction form
    8,407.04/11,603.07 = 4,872.29/x
  3. Step 3: Cross multiply
    8,407.04x = 11,603.07 × 4,872.29
  4. Step 4: Simplify right side
    8,407.04x = 56,533,550.94
  5. Step 5: Solve for x
    x = 56,533,550.94/8,407.04
  6. Step 6: Final answer
    x = 6,724.55

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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.