Home / 12,582.06-17,365.44-9,411.24

Finding the Fourth Proportional to 12,582.06, 17,365.44 and 9,411.24

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Solution

The fourth proportional to 12,582.06, 17,365.44 and 9,411.24 is: 12,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.06 : 17,365.44 = 9,411.24 : x
  2. Step 2: Convert to fraction form
    12,582.06/17,365.44 = 9,411.24/x
  3. Step 3: Cross multiply
    12,582.06x = 17,365.44 × 9,411.24
  4. Step 4: Simplify right side
    12,582.06x = 163,430,323.55
  5. Step 5: Solve for x
    x = 163,430,323.55/12,582.06
  6. Step 6: Final answer
    x = 12,989.15

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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.