Home / 9,615.31-13,265.47-6,261.00

Finding the Fourth Proportional to 9,615.31, 13,265.47 and 6,261.00

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Solution

The fourth proportional to 9,615.31, 13,265.47 and 6,261.00 is: 8,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.31 : 13,265.47 = 6,261.00 : x
  2. Step 2: Convert to fraction form
    9,615.31/13,265.47 = 6,261.00/x
  3. Step 3: Cross multiply
    9,615.31x = 13,265.47 × 6,261.00
  4. Step 4: Simplify right side
    9,615.31x = 83,055,065.75
  5. Step 5: Solve for x
    x = 83,055,065.75/9,615.31
  6. Step 6: Final answer
    x = 8,637.80

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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.