Home / 12,465.17-17,200.73-6,875.81

Finding the Fourth Proportional to 12,465.17, 17,200.73 and 6,875.81

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Solution

The fourth proportional to 12,465.17, 17,200.73 and 6,875.81 is: 9,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.17 : 17,200.73 = 6,875.81 : x
  2. Step 2: Convert to fraction form
    12,465.17/17,200.73 = 6,875.81/x
  3. Step 3: Cross multiply
    12,465.17x = 17,200.73 × 6,875.81
  4. Step 4: Simplify right side
    12,465.17x = 118,268,865.34
  5. Step 5: Solve for x
    x = 118,268,865.34/12,465.17
  6. Step 6: Final answer
    x = 9,487.95

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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.