Home / 8,590.02-12,885.18-2,746.63

Finding the Fourth Proportional to 8,590.02, 12,885.18 and 2,746.63

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Solution

The fourth proportional to 8,590.02, 12,885.18 and 2,746.63 is: 4,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.02 : 12,885.18 = 2,746.63 : x
  2. Step 2: Convert to fraction form
    8,590.02/12,885.18 = 2,746.63/x
  3. Step 3: Cross multiply
    8,590.02x = 12,885.18 × 2,746.63
  4. Step 4: Simplify right side
    8,590.02x = 35,390,821.94
  5. Step 5: Solve for x
    x = 35,390,821.94/8,590.02
  6. Step 6: Final answer
    x = 4,119.99

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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.