Home / 8,345.61-11,518.23-4,760.57

Finding the Fourth Proportional to 8,345.61, 11,518.23 and 4,760.57

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Solution

The fourth proportional to 8,345.61, 11,518.23 and 4,760.57 is: 6,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.61 : 11,518.23 = 4,760.57 : x
  2. Step 2: Convert to fraction form
    8,345.61/11,518.23 = 4,760.57/x
  3. Step 3: Cross multiply
    8,345.61x = 11,518.23 × 4,760.57
  4. Step 4: Simplify right side
    8,345.61x = 54,833,340.19
  5. Step 5: Solve for x
    x = 54,833,340.19/8,345.61
  6. Step 6: Final answer
    x = 6,570.32

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Half scale
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Double scale
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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.