Home / 10,076.71-15,120.18-4,528.93

Finding the Fourth Proportional to 10,076.71, 15,120.18 and 4,528.93

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Solution

The fourth proportional to 10,076.71, 15,120.18 and 4,528.93 is: 6,795.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.71 : 15,120.18 = 4,528.93 : x
  2. Step 2: Convert to fraction form
    10,076.71/15,120.18 = 4,528.93/x
  3. Step 3: Cross multiply
    10,076.71x = 15,120.18 × 4,528.93
  4. Step 4: Simplify right side
    10,076.71x = 68,478,236.81
  5. Step 5: Solve for x
    x = 68,478,236.81/10,076.71
  6. Step 6: Final answer
    x = 6,795.69

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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.