Home / 10,126.91-15,096.48-9,966.98

Finding the Fourth Proportional to 10,126.91, 15,096.48 and 9,966.98

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Solution

The fourth proportional to 10,126.91, 15,096.48 and 9,966.98 is: 14,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.91 : 15,096.48 = 9,966.98 : x
  2. Step 2: Convert to fraction form
    10,126.91/15,096.48 = 9,966.98/x
  3. Step 3: Cross multiply
    10,126.91x = 15,096.48 × 9,966.98
  4. Step 4: Simplify right side
    10,126.91x = 150,466,264.40
  5. Step 5: Solve for x
    x = 150,466,264.40/10,126.91
  6. Step 6: Final answer
    x = 14,858.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.