Home / 9,527.48-13,129.20-7,291.88

Finding the Fourth Proportional to 9,527.48, 13,129.20 and 7,291.88

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Solution

The fourth proportional to 9,527.48, 13,129.20 and 7,291.88 is: 10,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,527.48 : 13,129.20 = 7,291.88 : x
  2. Step 2: Convert to fraction form
    9,527.48/13,129.20 = 7,291.88/x
  3. Step 3: Cross multiply
    9,527.48x = 13,129.20 × 7,291.88
  4. Step 4: Simplify right side
    9,527.48x = 95,736,550.90
  5. Step 5: Solve for x
    x = 95,736,550.90/9,527.48
  6. Step 6: Final answer
    x = 10,048.47

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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.