Home / 12,852.25-17,734.47-7,545.13

Finding the Fourth Proportional to 12,852.25, 17,734.47 and 7,545.13

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Solution

The fourth proportional to 12,852.25, 17,734.47 and 7,545.13 is: 10,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.25 : 17,734.47 = 7,545.13 : x
  2. Step 2: Convert to fraction form
    12,852.25/17,734.47 = 7,545.13/x
  3. Step 3: Cross multiply
    12,852.25x = 17,734.47 × 7,545.13
  4. Step 4: Simplify right side
    12,852.25x = 133,808,881.63
  5. Step 5: Solve for x
    x = 133,808,881.63/12,852.25
  6. Step 6: Final answer
    x = 10,411.32

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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.