Home / 8,998.03-12,432.51-6,475.15

Finding the Fourth Proportional to 8,998.03, 12,432.51 and 6,475.15

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Solution

The fourth proportional to 8,998.03, 12,432.51 and 6,475.15 is: 8,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.03 : 12,432.51 = 6,475.15 : x
  2. Step 2: Convert to fraction form
    8,998.03/12,432.51 = 6,475.15/x
  3. Step 3: Cross multiply
    8,998.03x = 12,432.51 × 6,475.15
  4. Step 4: Simplify right side
    8,998.03x = 80,502,367.13
  5. Step 5: Solve for x
    x = 80,502,367.13/8,998.03
  6. Step 6: Final answer
    x = 8,946.67

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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.