Home / 12,258.63-16,916.40-6,953.33

Finding the Fourth Proportional to 12,258.63, 16,916.40 and 6,953.33

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Solution

The fourth proportional to 12,258.63, 16,916.40 and 6,953.33 is: 9,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.63 : 16,916.40 = 6,953.33 : x
  2. Step 2: Convert to fraction form
    12,258.63/16,916.40 = 6,953.33/x
  3. Step 3: Cross multiply
    12,258.63x = 16,916.40 × 6,953.33
  4. Step 4: Simplify right side
    12,258.63x = 117,625,353.90
  5. Step 5: Solve for x
    x = 117,625,353.90/12,258.63
  6. Step 6: Final answer
    x = 9,595.31

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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.