Home / 8,056.13-11,114.76-4,870.40

Finding the Fourth Proportional to 8,056.13, 11,114.76 and 4,870.40

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Solution

The fourth proportional to 8,056.13, 11,114.76 and 4,870.40 is: 6,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.13 : 11,114.76 = 4,870.40 : x
  2. Step 2: Convert to fraction form
    8,056.13/11,114.76 = 4,870.40/x
  3. Step 3: Cross multiply
    8,056.13x = 11,114.76 × 4,870.40
  4. Step 4: Simplify right side
    8,056.13x = 54,133,271.53
  5. Step 5: Solve for x
    x = 54,133,271.53/8,056.13
  6. Step 6: Final answer
    x = 6,719.52

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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.