Home / 10,589.58-15,870.60-4,342.35

Finding the Fourth Proportional to 10,589.58, 15,870.60 and 4,342.35

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Solution

The fourth proportional to 10,589.58, 15,870.60 and 4,342.35 is: 6,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.58 : 15,870.60 = 4,342.35 : x
  2. Step 2: Convert to fraction form
    10,589.58/15,870.60 = 4,342.35/x
  3. Step 3: Cross multiply
    10,589.58x = 15,870.60 × 4,342.35
  4. Step 4: Simplify right side
    10,589.58x = 68,915,699.91
  5. Step 5: Solve for x
    x = 68,915,699.91/10,589.58
  6. Step 6: Final answer
    x = 6,507.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.