Home / 10,513.05-15,769.58-4,966.95

Finding the Fourth Proportional to 10,513.05, 15,769.58 and 4,966.95

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Solution

The fourth proportional to 10,513.05, 15,769.58 and 4,966.95 is: 7,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.05 : 15,769.58 = 4,966.95 : x
  2. Step 2: Convert to fraction form
    10,513.05/15,769.58 = 4,966.95/x
  3. Step 3: Cross multiply
    10,513.05x = 15,769.58 × 4,966.95
  4. Step 4: Simplify right side
    10,513.05x = 78,326,762.10
  5. Step 5: Solve for x
    x = 78,326,762.10/10,513.05
  6. Step 6: Final answer
    x = 7,450.43

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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.