Home / 8,838.36-12,196.94-5,303.68

Finding the Fourth Proportional to 8,838.36, 12,196.94 and 5,303.68

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Solution

The fourth proportional to 8,838.36, 12,196.94 and 5,303.68 is: 7,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.36 : 12,196.94 = 5,303.68 : x
  2. Step 2: Convert to fraction form
    8,838.36/12,196.94 = 5,303.68/x
  3. Step 3: Cross multiply
    8,838.36x = 12,196.94 × 5,303.68
  4. Step 4: Simplify right side
    8,838.36x = 64,688,666.74
  5. Step 5: Solve for x
    x = 64,688,666.74/8,838.36
  6. Step 6: Final answer
    x = 7,319.08

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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.