Home / 8,492.13-11,718.50-4,715.42

Finding the Fourth Proportional to 8,492.13, 11,718.50 and 4,715.42

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Solution

The fourth proportional to 8,492.13, 11,718.50 and 4,715.42 is: 6,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.13 : 11,718.50 = 4,715.42 : x
  2. Step 2: Convert to fraction form
    8,492.13/11,718.50 = 4,715.42/x
  3. Step 3: Cross multiply
    8,492.13x = 11,718.50 × 4,715.42
  4. Step 4: Simplify right side
    8,492.13x = 55,257,567.10
  5. Step 5: Solve for x
    x = 55,257,567.10/8,492.13
  6. Step 6: Final answer
    x = 6,506.91

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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.