Home / 10,953.20-15,113.16-6,477.08

Finding the Fourth Proportional to 10,953.20, 15,113.16 and 6,477.08

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Solution

The fourth proportional to 10,953.20, 15,113.16 and 6,477.08 is: 8,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.20 : 15,113.16 = 6,477.08 : x
  2. Step 2: Convert to fraction form
    10,953.20/15,113.16 = 6,477.08/x
  3. Step 3: Cross multiply
    10,953.20x = 15,113.16 × 6,477.08
  4. Step 4: Simplify right side
    10,953.20x = 97,889,146.37
  5. Step 5: Solve for x
    x = 97,889,146.37/10,953.20
  6. Step 6: Final answer
    x = 8,937.04

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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.