Home / 10,785.63-14,884.77-6,070.21

Finding the Fourth Proportional to 10,785.63, 14,884.77 and 6,070.21

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Solution

The fourth proportional to 10,785.63, 14,884.77 and 6,070.21 is: 8,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.63 : 14,884.77 = 6,070.21 : x
  2. Step 2: Convert to fraction form
    10,785.63/14,884.77 = 6,070.21/x
  3. Step 3: Cross multiply
    10,785.63x = 14,884.77 × 6,070.21
  4. Step 4: Simplify right side
    10,785.63x = 90,353,679.70
  5. Step 5: Solve for x
    x = 90,353,679.70/10,785.63
  6. Step 6: Final answer
    x = 8,377.23

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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.