Home / 10,681.52-14,740.91-6,144.19

Finding the Fourth Proportional to 10,681.52, 14,740.91 and 6,144.19

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Solution

The fourth proportional to 10,681.52, 14,740.91 and 6,144.19 is: 8,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.52 : 14,740.91 = 6,144.19 : x
  2. Step 2: Convert to fraction form
    10,681.52/14,740.91 = 6,144.19/x
  3. Step 3: Cross multiply
    10,681.52x = 14,740.91 × 6,144.19
  4. Step 4: Simplify right side
    10,681.52x = 90,570,951.81
  5. Step 5: Solve for x
    x = 90,570,951.81/10,681.52
  6. Step 6: Final answer
    x = 8,479.22

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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.