Home / 10,944.76-15,060-10,638.58

Finding the Fourth Proportional to 10,944.76, 15,060 and 10,638.58

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Solution

The fourth proportional to 10,944.76, 15,060 and 10,638.58 is: 14,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.76 : 15,060 = 10,638.58 : x
  2. Step 2: Convert to fraction form
    10,944.76/15,060 = 10,638.58/x
  3. Step 3: Cross multiply
    10,944.76x = 15,060 × 10,638.58
  4. Step 4: Simplify right side
    10,944.76x = 160,217,014.80
  5. Step 5: Solve for x
    x = 160,217,014.80/10,944.76
  6. Step 6: Final answer
    x = 14,638.70

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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.