Home / 13,097.49-18,075.45-7,355.40

Finding the Fourth Proportional to 13,097.49, 18,075.45 and 7,355.40

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Solution

The fourth proportional to 13,097.49, 18,075.45 and 7,355.40 is: 10,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.49 : 18,075.45 = 7,355.40 : x
  2. Step 2: Convert to fraction form
    13,097.49/18,075.45 = 7,355.40/x
  3. Step 3: Cross multiply
    13,097.49x = 18,075.45 × 7,355.40
  4. Step 4: Simplify right side
    13,097.49x = 132,952,164.93
  5. Step 5: Solve for x
    x = 132,952,164.93/13,097.49
  6. Step 6: Final answer
    x = 10,150.97

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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.