Home / 12,707.25-17,535.45-7,041.99

Finding the Fourth Proportional to 12,707.25, 17,535.45 and 7,041.99

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Solution

The fourth proportional to 12,707.25, 17,535.45 and 7,041.99 is: 9,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.25 : 17,535.45 = 7,041.99 : x
  2. Step 2: Convert to fraction form
    12,707.25/17,535.45 = 7,041.99/x
  3. Step 3: Cross multiply
    12,707.25x = 17,535.45 × 7,041.99
  4. Step 4: Simplify right side
    12,707.25x = 123,484,463.55
  5. Step 5: Solve for x
    x = 123,484,463.55/12,707.25
  6. Step 6: Final answer
    x = 9,717.64

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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.