Home / 9,708.60-13,398.03-5,460.56

Finding the Fourth Proportional to 9,708.60, 13,398.03 and 5,460.56

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Solution

The fourth proportional to 9,708.60, 13,398.03 and 5,460.56 is: 7,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.60 : 13,398.03 = 5,460.56 : x
  2. Step 2: Convert to fraction form
    9,708.60/13,398.03 = 5,460.56/x
  3. Step 3: Cross multiply
    9,708.60x = 13,398.03 × 5,460.56
  4. Step 4: Simplify right side
    9,708.60x = 73,160,679.71
  5. Step 5: Solve for x
    x = 73,160,679.71/9,708.60
  6. Step 6: Final answer
    x = 7,535.66

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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.