Home / 10,939.32-15,094.74-6,223.08

Finding the Fourth Proportional to 10,939.32, 15,094.74 and 6,223.08

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Solution

The fourth proportional to 10,939.32, 15,094.74 and 6,223.08 is: 8,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.32 : 15,094.74 = 6,223.08 : x
  2. Step 2: Convert to fraction form
    10,939.32/15,094.74 = 6,223.08/x
  3. Step 3: Cross multiply
    10,939.32x = 15,094.74 × 6,223.08
  4. Step 4: Simplify right side
    10,939.32x = 93,935,774.60
  5. Step 5: Solve for x
    x = 93,935,774.60/10,939.32
  6. Step 6: Final answer
    x = 8,586.98

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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.