Home / 12,824.06-17,707.21-9,835.16

Finding the Fourth Proportional to 12,824.06, 17,707.21 and 9,835.16

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Solution

The fourth proportional to 12,824.06, 17,707.21 and 9,835.16 is: 13,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.06 : 17,707.21 = 9,835.16 : x
  2. Step 2: Convert to fraction form
    12,824.06/17,707.21 = 9,835.16/x
  3. Step 3: Cross multiply
    12,824.06x = 17,707.21 × 9,835.16
  4. Step 4: Simplify right side
    12,824.06x = 174,153,130.38
  5. Step 5: Solve for x
    x = 174,153,130.38/12,824.06
  6. Step 6: Final answer
    x = 13,580.19

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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.