Home / 11,259.04-15,541.60-6,782.96

Finding the Fourth Proportional to 11,259.04, 15,541.60 and 6,782.96

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Solution

The fourth proportional to 11,259.04, 15,541.60 and 6,782.96 is: 9,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.04 : 15,541.60 = 6,782.96 : x
  2. Step 2: Convert to fraction form
    11,259.04/15,541.60 = 6,782.96/x
  3. Step 3: Cross multiply
    11,259.04x = 15,541.60 × 6,782.96
  4. Step 4: Simplify right side
    11,259.04x = 105,418,051.14
  5. Step 5: Solve for x
    x = 105,418,051.14/11,259.04
  6. Step 6: Final answer
    x = 9,362.97

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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.