Home / 9,148.32-12,543.21-9,060.84

Finding the Fourth Proportional to 9,148.32, 12,543.21 and 9,060.84

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Solution

The fourth proportional to 9,148.32, 12,543.21 and 9,060.84 is: 12,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.32 : 12,543.21 = 9,060.84 : x
  2. Step 2: Convert to fraction form
    9,148.32/12,543.21 = 9,060.84/x
  3. Step 3: Cross multiply
    9,148.32x = 12,543.21 × 9,060.84
  4. Step 4: Simplify right side
    9,148.32x = 113,652,018.90
  5. Step 5: Solve for x
    x = 113,652,018.90/9,148.32
  6. Step 6: Final answer
    x = 12,423.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.