Home / 10,980.06-15,152.76-6,264.42

Finding the Fourth Proportional to 10,980.06, 15,152.76 and 6,264.42

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Solution

The fourth proportional to 10,980.06, 15,152.76 and 6,264.42 is: 8,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.06 : 15,152.76 = 6,264.42 : x
  2. Step 2: Convert to fraction form
    10,980.06/15,152.76 = 6,264.42/x
  3. Step 3: Cross multiply
    10,980.06x = 15,152.76 × 6,264.42
  4. Step 4: Simplify right side
    10,980.06x = 94,923,252.80
  5. Step 5: Solve for x
    x = 94,923,252.80/10,980.06
  6. Step 6: Final answer
    x = 8,645.06

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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.