Home / 12,569.22-17,345.88-7,534.26

Finding the Fourth Proportional to 12,569.22, 17,345.88 and 7,534.26

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Solution

The fourth proportional to 12,569.22, 17,345.88 and 7,534.26 is: 10,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.22 : 17,345.88 = 7,534.26 : x
  2. Step 2: Convert to fraction form
    12,569.22/17,345.88 = 7,534.26/x
  3. Step 3: Cross multiply
    12,569.22x = 17,345.88 × 7,534.26
  4. Step 4: Simplify right side
    12,569.22x = 130,688,369.85
  5. Step 5: Solve for x
    x = 130,688,369.85/12,569.22
  6. Step 6: Final answer
    x = 10,397.49

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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.