Home / 10,842.56-14,973.36-9,261.44

Finding the Fourth Proportional to 10,842.56, 14,973.36 and 9,261.44

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Solution

The fourth proportional to 10,842.56, 14,973.36 and 9,261.44 is: 12,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.56 : 14,973.36 = 9,261.44 : x
  2. Step 2: Convert to fraction form
    10,842.56/14,973.36 = 9,261.44/x
  3. Step 3: Cross multiply
    10,842.56x = 14,973.36 × 9,261.44
  4. Step 4: Simplify right side
    10,842.56x = 138,674,875.24
  5. Step 5: Solve for x
    x = 138,674,875.24/10,842.56
  6. Step 6: Final answer
    x = 12,789.86

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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.