Home / 10,276.61-15,416.10-3,611.06

Finding the Fourth Proportional to 10,276.61, 15,416.10 and 3,611.06

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Solution

The fourth proportional to 10,276.61, 15,416.10 and 3,611.06 is: 5,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.61 : 15,416.10 = 3,611.06 : x
  2. Step 2: Convert to fraction form
    10,276.61/15,416.10 = 3,611.06/x
  3. Step 3: Cross multiply
    10,276.61x = 15,416.10 × 3,611.06
  4. Step 4: Simplify right side
    10,276.61x = 55,668,462.07
  5. Step 5: Solve for x
    x = 55,668,462.07/10,276.61
  6. Step 6: Final answer
    x = 5,417.01

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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.