Home / 9,941.04-13,718.40-5,403.60

Finding the Fourth Proportional to 9,941.04, 13,718.40 and 5,403.60

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Solution

The fourth proportional to 9,941.04, 13,718.40 and 5,403.60 is: 7,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.04 : 13,718.40 = 5,403.60 : x
  2. Step 2: Convert to fraction form
    9,941.04/13,718.40 = 5,403.60/x
  3. Step 3: Cross multiply
    9,941.04x = 13,718.40 × 5,403.60
  4. Step 4: Simplify right side
    9,941.04x = 74,128,746.24
  5. Step 5: Solve for x
    x = 74,128,746.24/9,941.04
  6. Step 6: Final answer
    x = 7,456.84

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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.