Home / 10,415.40-14,362.34-6,873.96

Finding the Fourth Proportional to 10,415.40, 14,362.34 and 6,873.96

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Solution

The fourth proportional to 10,415.40, 14,362.34 and 6,873.96 is: 9,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.40 : 14,362.34 = 6,873.96 : x
  2. Step 2: Convert to fraction form
    10,415.40/14,362.34 = 6,873.96/x
  3. Step 3: Cross multiply
    10,415.40x = 14,362.34 × 6,873.96
  4. Step 4: Simplify right side
    10,415.40x = 98,726,150.67
  5. Step 5: Solve for x
    x = 98,726,150.67/10,415.40
  6. Step 6: Final answer
    x = 9,478.86

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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.