Home / 9,461.16-13,056.54-5,428.64

Finding the Fourth Proportional to 9,461.16, 13,056.54 and 5,428.64

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Solution

The fourth proportional to 9,461.16, 13,056.54 and 5,428.64 is: 7,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,461.16 : 13,056.54 = 5,428.64 : x
  2. Step 2: Convert to fraction form
    9,461.16/13,056.54 = 5,428.64/x
  3. Step 3: Cross multiply
    9,461.16x = 13,056.54 × 5,428.64
  4. Step 4: Simplify right side
    9,461.16x = 70,879,298.13
  5. Step 5: Solve for x
    x = 70,879,298.13/9,461.16
  6. Step 6: Final answer
    x = 7,491.61

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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.