Home / 9,334.47-12,881.10-5,085.51

Finding the Fourth Proportional to 9,334.47, 12,881.10 and 5,085.51

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Solution

The fourth proportional to 9,334.47, 12,881.10 and 5,085.51 is: 7,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.47 : 12,881.10 = 5,085.51 : x
  2. Step 2: Convert to fraction form
    9,334.47/12,881.10 = 5,085.51/x
  3. Step 3: Cross multiply
    9,334.47x = 12,881.10 × 5,085.51
  4. Step 4: Simplify right side
    9,334.47x = 65,506,975.57
  5. Step 5: Solve for x
    x = 65,506,975.57/9,334.47
  6. Step 6: Final answer
    x = 7,017.75

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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.