Home / 10,355.16-14,289.66-5,878.84

Finding the Fourth Proportional to 10,355.16, 14,289.66 and 5,878.84

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Solution

The fourth proportional to 10,355.16, 14,289.66 and 5,878.84 is: 8,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.16 : 14,289.66 = 5,878.84 : x
  2. Step 2: Convert to fraction form
    10,355.16/14,289.66 = 5,878.84/x
  3. Step 3: Cross multiply
    10,355.16x = 14,289.66 × 5,878.84
  4. Step 4: Simplify right side
    10,355.16x = 84,006,624.79
  5. Step 5: Solve for x
    x = 84,006,624.79/10,355.16
  6. Step 6: Final answer
    x = 8,112.54

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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.