Home / 9,334.47-12,881.19-5,085.45

Finding the Fourth Proportional to 9,334.47, 12,881.19 and 5,085.45

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Solution

The fourth proportional to 9,334.47, 12,881.19 and 5,085.45 is: 7,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.47 : 12,881.19 = 5,085.45 : x
  2. Step 2: Convert to fraction form
    9,334.47/12,881.19 = 5,085.45/x
  3. Step 3: Cross multiply
    9,334.47x = 12,881.19 × 5,085.45
  4. Step 4: Simplify right side
    9,334.47x = 65,506,715.06
  5. Step 5: Solve for x
    x = 65,506,715.06/9,334.47
  6. Step 6: Final answer
    x = 7,017.72

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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.