Home / 12,582.54-17,364.51-7,547.04

Finding the Fourth Proportional to 12,582.54, 17,364.51 and 7,547.04

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Solution

The fourth proportional to 12,582.54, 17,364.51 and 7,547.04 is: 10,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.54 : 17,364.51 = 7,547.04 : x
  2. Step 2: Convert to fraction form
    12,582.54/17,364.51 = 7,547.04/x
  3. Step 3: Cross multiply
    12,582.54x = 17,364.51 × 7,547.04
  4. Step 4: Simplify right side
    12,582.54x = 131,050,651.55
  5. Step 5: Solve for x
    x = 131,050,651.55/12,582.54
  6. Step 6: Final answer
    x = 10,415.28

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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.