Home / 10,459.48-15,690.62-5,529.32

Finding the Fourth Proportional to 10,459.48, 15,690.62 and 5,529.32

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Solution

The fourth proportional to 10,459.48, 15,690.62 and 5,529.32 is: 8,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.48 : 15,690.62 = 5,529.32 : x
  2. Step 2: Convert to fraction form
    10,459.48/15,690.62 = 5,529.32/x
  3. Step 3: Cross multiply
    10,459.48x = 15,690.62 × 5,529.32
  4. Step 4: Simplify right side
    10,459.48x = 86,758,458.98
  5. Step 5: Solve for x
    x = 86,758,458.98/10,459.48
  6. Step 6: Final answer
    x = 8,294.72

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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.