Home / 10,631.65-14,673.47-6,158.12

Finding the Fourth Proportional to 10,631.65, 14,673.47 and 6,158.12

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Solution

The fourth proportional to 10,631.65, 14,673.47 and 6,158.12 is: 8,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.65 : 14,673.47 = 6,158.12 : x
  2. Step 2: Convert to fraction form
    10,631.65/14,673.47 = 6,158.12/x
  3. Step 3: Cross multiply
    10,631.65x = 14,673.47 × 6,158.12
  4. Step 4: Simplify right side
    10,631.65x = 90,361,041.16
  5. Step 5: Solve for x
    x = 90,361,041.16/10,631.65
  6. Step 6: Final answer
    x = 8,499.25

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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.