Home / 9,527.40-13,147.80-5,335.68

Finding the Fourth Proportional to 9,527.40, 13,147.80 and 5,335.68

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Solution

The fourth proportional to 9,527.40, 13,147.80 and 5,335.68 is: 7,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,527.40 : 13,147.80 = 5,335.68 : x
  2. Step 2: Convert to fraction form
    9,527.40/13,147.80 = 5,335.68/x
  3. Step 3: Cross multiply
    9,527.40x = 13,147.80 × 5,335.68
  4. Step 4: Simplify right side
    9,527.40x = 70,152,453.50
  5. Step 5: Solve for x
    x = 70,152,453.50/9,527.40
  6. Step 6: Final answer
    x = 7,363.23

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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.