Home / 10,529.19-15,793.79-9,887.67

Finding the Fourth Proportional to 10,529.19, 15,793.79 and 9,887.67

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Solution

The fourth proportional to 10,529.19, 15,793.79 and 9,887.67 is: 14,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.19 : 15,793.79 = 9,887.67 : x
  2. Step 2: Convert to fraction form
    10,529.19/15,793.79 = 9,887.67/x
  3. Step 3: Cross multiply
    10,529.19x = 15,793.79 × 9,887.67
  4. Step 4: Simplify right side
    10,529.19x = 156,163,734.13
  5. Step 5: Solve for x
    x = 156,163,734.13/10,529.19
  6. Step 6: Final answer
    x = 14,831.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.