Home / 10,466.40-15,698.16-3,895.68

Finding the Fourth Proportional to 10,466.40, 15,698.16 and 3,895.68

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Solution

The fourth proportional to 10,466.40, 15,698.16 and 3,895.68 is: 5,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466.40 : 15,698.16 = 3,895.68 : x
  2. Step 2: Convert to fraction form
    10,466.40/15,698.16 = 3,895.68/x
  3. Step 3: Cross multiply
    10,466.40x = 15,698.16 × 3,895.68
  4. Step 4: Simplify right side
    10,466.40x = 61,155,007.95
  5. Step 5: Solve for x
    x = 61,155,007.95/10,466.40
  6. Step 6: Final answer
    x = 5,842.98

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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.