Home / 10,521.18-14,524.48-6,543.57

Finding the Fourth Proportional to 10,521.18, 14,524.48 and 6,543.57

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Solution

The fourth proportional to 10,521.18, 14,524.48 and 6,543.57 is: 9,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.18 : 14,524.48 = 6,543.57 : x
  2. Step 2: Convert to fraction form
    10,521.18/14,524.48 = 6,543.57/x
  3. Step 3: Cross multiply
    10,521.18x = 14,524.48 × 6,543.57
  4. Step 4: Simplify right side
    10,521.18x = 95,042,014.24
  5. Step 5: Solve for x
    x = 95,042,014.24/10,521.18
  6. Step 6: Final answer
    x = 9,033.40

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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.