Home / 11,559.28-15,958.65-7,587.34

Finding the Fourth Proportional to 11,559.28, 15,958.65 and 7,587.34

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Solution

The fourth proportional to 11,559.28, 15,958.65 and 7,587.34 is: 10,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.28 : 15,958.65 = 7,587.34 : x
  2. Step 2: Convert to fraction form
    11,559.28/15,958.65 = 7,587.34/x
  3. Step 3: Cross multiply
    11,559.28x = 15,958.65 × 7,587.34
  4. Step 4: Simplify right side
    11,559.28x = 121,083,703.49
  5. Step 5: Solve for x
    x = 121,083,703.49/11,559.28
  6. Step 6: Final answer
    x = 10,475.02

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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.