Home / 9,130.17-12,599.81-5,356.22

Finding the Fourth Proportional to 9,130.17, 12,599.81 and 5,356.22

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Solution

The fourth proportional to 9,130.17, 12,599.81 and 5,356.22 is: 7,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.17 : 12,599.81 = 5,356.22 : x
  2. Step 2: Convert to fraction form
    9,130.17/12,599.81 = 5,356.22/x
  3. Step 3: Cross multiply
    9,130.17x = 12,599.81 × 5,356.22
  4. Step 4: Simplify right side
    9,130.17x = 67,487,264.54
  5. Step 5: Solve for x
    x = 67,487,264.54/9,130.17
  6. Step 6: Final answer
    x = 7,391.68

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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.