Home / 11,527.60-15,909.63-6,749.00

Finding the Fourth Proportional to 11,527.60, 15,909.63 and 6,749.00

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Solution

The fourth proportional to 11,527.60, 15,909.63 and 6,749.00 is: 9,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,527.60 : 15,909.63 = 6,749.00 : x
  2. Step 2: Convert to fraction form
    11,527.60/15,909.63 = 6,749.00/x
  3. Step 3: Cross multiply
    11,527.60x = 15,909.63 × 6,749.00
  4. Step 4: Simplify right side
    11,527.60x = 107,374,132.64
  5. Step 5: Solve for x
    x = 107,374,132.64/11,527.60
  6. Step 6: Final answer
    x = 9,314.53

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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.