Home / 9,582.42-13,221.75-5,602.74

Finding the Fourth Proportional to 9,582.42, 13,221.75 and 5,602.74

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Solution

The fourth proportional to 9,582.42, 13,221.75 and 5,602.74 is: 7,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,582.42 : 13,221.75 = 5,602.74 : x
  2. Step 2: Convert to fraction form
    9,582.42/13,221.75 = 5,602.74/x
  3. Step 3: Cross multiply
    9,582.42x = 13,221.75 × 5,602.74
  4. Step 4: Simplify right side
    9,582.42x = 74,078,027.60
  5. Step 5: Solve for x
    x = 74,078,027.60/9,582.42
  6. Step 6: Final answer
    x = 7,730.62

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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.