Home / 12,513.07-17,267.46-7,208.65

Finding the Fourth Proportional to 12,513.07, 17,267.46 and 7,208.65

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Solution

The fourth proportional to 12,513.07, 17,267.46 and 7,208.65 is: 9,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.07 : 17,267.46 = 7,208.65 : x
  2. Step 2: Convert to fraction form
    12,513.07/17,267.46 = 7,208.65/x
  3. Step 3: Cross multiply
    12,513.07x = 17,267.46 × 7,208.65
  4. Step 4: Simplify right side
    12,513.07x = 124,475,075.53
  5. Step 5: Solve for x
    x = 124,475,075.53/12,513.07
  6. Step 6: Final answer
    x = 9,947.60

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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.