Home / 10,302.18-14,217-5,586.44

Finding the Fourth Proportional to 10,302.18, 14,217 and 5,586.44

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Solution

The fourth proportional to 10,302.18, 14,217 and 5,586.44 is: 7,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.18 : 14,217 = 5,586.44 : x
  2. Step 2: Convert to fraction form
    10,302.18/14,217 = 5,586.44/x
  3. Step 3: Cross multiply
    10,302.18x = 14,217 × 5,586.44
  4. Step 4: Simplify right side
    10,302.18x = 79,422,417.48
  5. Step 5: Solve for x
    x = 79,422,417.48/10,302.18
  6. Step 6: Final answer
    x = 7,709.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.