Home / 7,017.28-9,683.56-3,873.48

Finding the Fourth Proportional to 7,017.28, 9,683.56 and 3,873.48

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Solution

The fourth proportional to 7,017.28, 9,683.56 and 3,873.48 is: 5,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.28 : 9,683.56 = 3,873.48 : x
  2. Step 2: Convert to fraction form
    7,017.28/9,683.56 = 3,873.48/x
  3. Step 3: Cross multiply
    7,017.28x = 9,683.56 × 3,873.48
  4. Step 4: Simplify right side
    7,017.28x = 37,509,075.99
  5. Step 5: Solve for x
    x = 37,509,075.99/7,017.28
  6. Step 6: Final answer
    x = 5,345.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.