Home / 10,438.19-15,653.40-4,196.10

Finding the Fourth Proportional to 10,438.19, 15,653.40 and 4,196.10

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Solution

The fourth proportional to 10,438.19, 15,653.40 and 4,196.10 is: 6,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.19 : 15,653.40 = 4,196.10 : x
  2. Step 2: Convert to fraction form
    10,438.19/15,653.40 = 4,196.10/x
  3. Step 3: Cross multiply
    10,438.19x = 15,653.40 × 4,196.10
  4. Step 4: Simplify right side
    10,438.19x = 65,683,216.00
  5. Step 5: Solve for x
    x = 65,683,216.00/10,438.19
  6. Step 6: Final answer
    x = 6,292.59

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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.