Home / 11,225.32-15,494.34-6,510.76

Finding the Fourth Proportional to 11,225.32, 15,494.34 and 6,510.76

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Solution

The fourth proportional to 11,225.32, 15,494.34 and 6,510.76 is: 8,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.32 : 15,494.34 = 6,510.76 : x
  2. Step 2: Convert to fraction form
    11,225.32/15,494.34 = 6,510.76/x
  3. Step 3: Cross multiply
    11,225.32x = 15,494.34 × 6,510.76
  4. Step 4: Simplify right side
    11,225.32x = 100,879,929.10
  5. Step 5: Solve for x
    x = 100,879,929.10/11,225.32
  6. Step 6: Final answer
    x = 8,986.82

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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.