Home / 10,355.93-14,292.70-5,878.76

Finding the Fourth Proportional to 10,355.93, 14,292.70 and 5,878.76

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Solution

The fourth proportional to 10,355.93, 14,292.70 and 5,878.76 is: 8,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.93 : 14,292.70 = 5,878.76 : x
  2. Step 2: Convert to fraction form
    10,355.93/14,292.70 = 5,878.76/x
  3. Step 3: Cross multiply
    10,355.93x = 14,292.70 × 5,878.76
  4. Step 4: Simplify right side
    10,355.93x = 84,023,374.09
  5. Step 5: Solve for x
    x = 84,023,374.09/10,355.93
  6. Step 6: Final answer
    x = 8,113.55

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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.