Home / 10,070.60-15,100.49-8,903.39

Finding the Fourth Proportional to 10,070.60, 15,100.49 and 8,903.39

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Solution

The fourth proportional to 10,070.60, 15,100.49 and 8,903.39 is: 13,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.60 : 15,100.49 = 8,903.39 : x
  2. Step 2: Convert to fraction form
    10,070.60/15,100.49 = 8,903.39/x
  3. Step 3: Cross multiply
    10,070.60x = 15,100.49 × 8,903.39
  4. Step 4: Simplify right side
    10,070.60x = 134,445,498.42
  5. Step 5: Solve for x
    x = 134,445,498.42/10,070.60
  6. Step 6: Final answer
    x = 13,350.30

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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.