Home / 9,007.15-12,428.37-5,028.26

Finding the Fourth Proportional to 9,007.15, 12,428.37 and 5,028.26

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Solution

The fourth proportional to 9,007.15, 12,428.37 and 5,028.26 is: 6,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.15 : 12,428.37 = 5,028.26 : x
  2. Step 2: Convert to fraction form
    9,007.15/12,428.37 = 5,028.26/x
  3. Step 3: Cross multiply
    9,007.15x = 12,428.37 × 5,028.26
  4. Step 4: Simplify right side
    9,007.15x = 62,493,075.74
  5. Step 5: Solve for x
    x = 62,493,075.74/9,007.15
  6. Step 6: Final answer
    x = 6,938.17

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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.