Home / 11,426.04-15,762.42-7,182.36

Finding the Fourth Proportional to 11,426.04, 15,762.42 and 7,182.36

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Solution

The fourth proportional to 11,426.04, 15,762.42 and 7,182.36 is: 9,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.04 : 15,762.42 = 7,182.36 : x
  2. Step 2: Convert to fraction form
    11,426.04/15,762.42 = 7,182.36/x
  3. Step 3: Cross multiply
    11,426.04x = 15,762.42 × 7,182.36
  4. Step 4: Simplify right side
    11,426.04x = 113,211,374.91
  5. Step 5: Solve for x
    x = 113,211,374.91/11,426.04
  6. Step 6: Final answer
    x = 9,908.19

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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.