Home / 10,315.45-14,237.66-6,543.82

Finding the Fourth Proportional to 10,315.45, 14,237.66 and 6,543.82

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Solution

The fourth proportional to 10,315.45, 14,237.66 and 6,543.82 is: 9,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.45 : 14,237.66 = 6,543.82 : x
  2. Step 2: Convert to fraction form
    10,315.45/14,237.66 = 6,543.82/x
  3. Step 3: Cross multiply
    10,315.45x = 14,237.66 × 6,543.82
  4. Step 4: Simplify right side
    10,315.45x = 93,168,580.35
  5. Step 5: Solve for x
    x = 93,168,580.35/10,315.45
  6. Step 6: Final answer
    x = 9,031.95

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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.