Home / 9,158.24-13,730.70-2,916.20

Finding the Fourth Proportional to 9,158.24, 13,730.70 and 2,916.20

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Solution

The fourth proportional to 9,158.24, 13,730.70 and 2,916.20 is: 4,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.24 : 13,730.70 = 2,916.20 : x
  2. Step 2: Convert to fraction form
    9,158.24/13,730.70 = 2,916.20/x
  3. Step 3: Cross multiply
    9,158.24x = 13,730.70 × 2,916.20
  4. Step 4: Simplify right side
    9,158.24x = 40,041,467.34
  5. Step 5: Solve for x
    x = 40,041,467.34/9,158.24
  6. Step 6: Final answer
    x = 4,372.18

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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.