Home / 10,938.56-15,095.30-6,223.14

Finding the Fourth Proportional to 10,938.56, 15,095.30 and 6,223.14

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Solution

The fourth proportional to 10,938.56, 15,095.30 and 6,223.14 is: 8,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.56 : 15,095.30 = 6,223.14 : x
  2. Step 2: Convert to fraction form
    10,938.56/15,095.30 = 6,223.14/x
  3. Step 3: Cross multiply
    10,938.56x = 15,095.30 × 6,223.14
  4. Step 4: Simplify right side
    10,938.56x = 93,940,134.13
  5. Step 5: Solve for x
    x = 93,940,134.13/10,938.56
  6. Step 6: Final answer
    x = 8,587.98

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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.