Home / 9,088.04-13,565.75-7,980.86

Finding the Fourth Proportional to 9,088.04, 13,565.75 and 7,980.86

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Solution

The fourth proportional to 9,088.04, 13,565.75 and 7,980.86 is: 11,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.04 : 13,565.75 = 7,980.86 : x
  2. Step 2: Convert to fraction form
    9,088.04/13,565.75 = 7,980.86/x
  3. Step 3: Cross multiply
    9,088.04x = 13,565.75 × 7,980.86
  4. Step 4: Simplify right side
    9,088.04x = 108,266,243.81
  5. Step 5: Solve for x
    x = 108,266,243.81/9,088.04
  6. Step 6: Final answer
    x = 11,913.05

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.