Home / 12,317.74-18,461.99-5,730.35

Finding the Fourth Proportional to 12,317.74, 18,461.99 and 5,730.35

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Solution

The fourth proportional to 12,317.74, 18,461.99 and 5,730.35 is: 8,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.74 : 18,461.99 = 5,730.35 : x
  2. Step 2: Convert to fraction form
    12,317.74/18,461.99 = 5,730.35/x
  3. Step 3: Cross multiply
    12,317.74x = 18,461.99 × 5,730.35
  4. Step 4: Simplify right side
    12,317.74x = 105,793,586.41
  5. Step 5: Solve for x
    x = 105,793,586.41/12,317.74
  6. Step 6: Final answer
    x = 8,588.72

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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.