Home / 9,403.17-12,976.29-5,154.47

Finding the Fourth Proportional to 9,403.17, 12,976.29 and 5,154.47

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Solution

The fourth proportional to 9,403.17, 12,976.29 and 5,154.47 is: 7,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.17 : 12,976.29 = 5,154.47 : x
  2. Step 2: Convert to fraction form
    9,403.17/12,976.29 = 5,154.47/x
  3. Step 3: Cross multiply
    9,403.17x = 12,976.29 × 5,154.47
  4. Step 4: Simplify right side
    9,403.17x = 66,885,881.30
  5. Step 5: Solve for x
    x = 66,885,881.30/9,403.17
  6. Step 6: Final answer
    x = 7,113.12

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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.