Home / 10,303.36-15,454.74-5,917.72

Finding the Fourth Proportional to 10,303.36, 15,454.74 and 5,917.72

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Solution

The fourth proportional to 10,303.36, 15,454.74 and 5,917.72 is: 8,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.36 : 15,454.74 = 5,917.72 : x
  2. Step 2: Convert to fraction form
    10,303.36/15,454.74 = 5,917.72/x
  3. Step 3: Cross multiply
    10,303.36x = 15,454.74 × 5,917.72
  4. Step 4: Simplify right side
    10,303.36x = 91,456,823.99
  5. Step 5: Solve for x
    x = 91,456,823.99/10,303.36
  6. Step 6: Final answer
    x = 8,876.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.