Home / 10,379.14-15,552.30-10,368.20

Finding the Fourth Proportional to 10,379.14, 15,552.30 and 10,368.20

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Solution

The fourth proportional to 10,379.14, 15,552.30 and 10,368.20 is: 15,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.14 : 15,552.30 = 10,368.20 : x
  2. Step 2: Convert to fraction form
    10,379.14/15,552.30 = 10,368.20/x
  3. Step 3: Cross multiply
    10,379.14x = 15,552.30 × 10,368.20
  4. Step 4: Simplify right side
    10,379.14x = 161,249,356.86
  5. Step 5: Solve for x
    x = 161,249,356.86/10,379.14
  6. Step 6: Final answer
    x = 15,535.91

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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.