Home / 10,528.02-14,528.12-5,990.09

Finding the Fourth Proportional to 10,528.02, 14,528.12 and 5,990.09

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Solution

The fourth proportional to 10,528.02, 14,528.12 and 5,990.09 is: 8,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.02 : 14,528.12 = 5,990.09 : x
  2. Step 2: Convert to fraction form
    10,528.02/14,528.12 = 5,990.09/x
  3. Step 3: Cross multiply
    10,528.02x = 14,528.12 × 5,990.09
  4. Step 4: Simplify right side
    10,528.02x = 87,024,643.74
  5. Step 5: Solve for x
    x = 87,024,643.74/10,528.02
  6. Step 6: Final answer
    x = 8,266.00

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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.