Home / 10,316.32-15,475.56-4,770.16

Finding the Fourth Proportional to 10,316.32, 15,475.56 and 4,770.16

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Solution

The fourth proportional to 10,316.32, 15,475.56 and 4,770.16 is: 7,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.32 : 15,475.56 = 4,770.16 : x
  2. Step 2: Convert to fraction form
    10,316.32/15,475.56 = 4,770.16/x
  3. Step 3: Cross multiply
    10,316.32x = 15,475.56 × 4,770.16
  4. Step 4: Simplify right side
    10,316.32x = 73,820,897.29
  5. Step 5: Solve for x
    x = 73,820,897.29/10,316.32
  6. Step 6: Final answer
    x = 7,155.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.