Home / 10,317.76-15,477.88-3,747.04

Finding the Fourth Proportional to 10,317.76, 15,477.88 and 3,747.04

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Solution

The fourth proportional to 10,317.76, 15,477.88 and 3,747.04 is: 5,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.76 : 15,477.88 = 3,747.04 : x
  2. Step 2: Convert to fraction form
    10,317.76/15,477.88 = 3,747.04/x
  3. Step 3: Cross multiply
    10,317.76x = 15,477.88 × 3,747.04
  4. Step 4: Simplify right side
    10,317.76x = 57,996,235.48
  5. Step 5: Solve for x
    x = 57,996,235.48/10,317.76
  6. Step 6: Final answer
    x = 5,621.01

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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.