Home / 12,707.02-17,535.21-7,041.62

Finding the Fourth Proportional to 12,707.02, 17,535.21 and 7,041.62

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Solution

The fourth proportional to 12,707.02, 17,535.21 and 7,041.62 is: 9,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.02 : 17,535.21 = 7,041.62 : x
  2. Step 2: Convert to fraction form
    12,707.02/17,535.21 = 7,041.62/x
  3. Step 3: Cross multiply
    12,707.02x = 17,535.21 × 7,041.62
  4. Step 4: Simplify right side
    12,707.02x = 123,476,377.60
  5. Step 5: Solve for x
    x = 123,476,377.60/12,707.02
  6. Step 6: Final answer
    x = 9,717.18

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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.