Home / 9,705.18-13,398.26-6,535.16

Finding the Fourth Proportional to 9,705.18, 13,398.26 and 6,535.16

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Solution

The fourth proportional to 9,705.18, 13,398.26 and 6,535.16 is: 9,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.18 : 13,398.26 = 6,535.16 : x
  2. Step 2: Convert to fraction form
    9,705.18/13,398.26 = 6,535.16/x
  3. Step 3: Cross multiply
    9,705.18x = 13,398.26 × 6,535.16
  4. Step 4: Simplify right side
    9,705.18x = 87,559,772.82
  5. Step 5: Solve for x
    x = 87,559,772.82/9,705.18
  6. Step 6: Final answer
    x = 9,021.96

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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.