Home / 12,357.03-17,053.43-7,053.56

Finding the Fourth Proportional to 12,357.03, 17,053.43 and 7,053.56

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Solution

The fourth proportional to 12,357.03, 17,053.43 and 7,053.56 is: 9,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.03 : 17,053.43 = 7,053.56 : x
  2. Step 2: Convert to fraction form
    12,357.03/17,053.43 = 7,053.56/x
  3. Step 3: Cross multiply
    12,357.03x = 17,053.43 × 7,053.56
  4. Step 4: Simplify right side
    12,357.03x = 120,287,271.18
  5. Step 5: Solve for x
    x = 120,287,271.18/12,357.03
  6. Step 6: Final answer
    x = 9,734.32

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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.