Home / 7,545.51-10,412.28-4,188.24

Finding the Fourth Proportional to 7,545.51, 10,412.28 and 4,188.24

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Solution

The fourth proportional to 7,545.51, 10,412.28 and 4,188.24 is: 5,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.51 : 10,412.28 = 4,188.24 : x
  2. Step 2: Convert to fraction form
    7,545.51/10,412.28 = 4,188.24/x
  3. Step 3: Cross multiply
    7,545.51x = 10,412.28 × 4,188.24
  4. Step 4: Simplify right side
    7,545.51x = 43,609,127.59
  5. Step 5: Solve for x
    x = 43,609,127.59/7,545.51
  6. Step 6: Final answer
    x = 5,779.48

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Half scale
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Double scale
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Similar ratio
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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.