Home / 10,082.20-13,916.16-6,303.08

Finding the Fourth Proportional to 10,082.20, 13,916.16 and 6,303.08

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Solution

The fourth proportional to 10,082.20, 13,916.16 and 6,303.08 is: 8,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.20 : 13,916.16 = 6,303.08 : x
  2. Step 2: Convert to fraction form
    10,082.20/13,916.16 = 6,303.08/x
  3. Step 3: Cross multiply
    10,082.20x = 13,916.16 × 6,303.08
  4. Step 4: Simplify right side
    10,082.20x = 87,714,669.77
  5. Step 5: Solve for x
    x = 87,714,669.77/10,082.20
  6. Step 6: Final answer
    x = 8,699.95

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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.