Home / 10,473.04-15,683.64-7,693.12

Finding the Fourth Proportional to 10,473.04, 15,683.64 and 7,693.12

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Solution

The fourth proportional to 10,473.04, 15,683.64 and 7,693.12 is: 11,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.04 : 15,683.64 = 7,693.12 : x
  2. Step 2: Convert to fraction form
    10,473.04/15,683.64 = 7,693.12/x
  3. Step 3: Cross multiply
    10,473.04x = 15,683.64 × 7,693.12
  4. Step 4: Simplify right side
    10,473.04x = 120,656,124.56
  5. Step 5: Solve for x
    x = 120,656,124.56/10,473.04
  6. Step 6: Final answer
    x = 11,520.64

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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.