Home / 10,631.09-15,946.50-4,783.57

Finding the Fourth Proportional to 10,631.09, 15,946.50 and 4,783.57

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Solution

The fourth proportional to 10,631.09, 15,946.50 and 4,783.57 is: 7,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.09 : 15,946.50 = 4,783.57 : x
  2. Step 2: Convert to fraction form
    10,631.09/15,946.50 = 4,783.57/x
  3. Step 3: Cross multiply
    10,631.09x = 15,946.50 × 4,783.57
  4. Step 4: Simplify right side
    10,631.09x = 76,281,199.01
  5. Step 5: Solve for x
    x = 76,281,199.01/10,631.09
  6. Step 6: Final answer
    x = 7,175.29

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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.