Home / 10,838.22-14,967.66-9,337.74

Finding the Fourth Proportional to 10,838.22, 14,967.66 and 9,337.74

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Solution

The fourth proportional to 10,838.22, 14,967.66 and 9,337.74 is: 12,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.22 : 14,967.66 = 9,337.74 : x
  2. Step 2: Convert to fraction form
    10,838.22/14,967.66 = 9,337.74/x
  3. Step 3: Cross multiply
    10,838.22x = 14,967.66 × 9,337.74
  4. Step 4: Simplify right side
    10,838.22x = 139,764,117.49
  5. Step 5: Solve for x
    x = 139,764,117.49/10,838.22
  6. Step 6: Final answer
    x = 12,895.49

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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.